¿que otro nombre reciben las órbitas?

Answers

Answer 1
Podría decirse que es una elipse con el sol

Related Questions

Find the percent by mass concentration if the solution was prepared by dissolving 25.0 g of sugar into 100 g of water.

Answers

Answer:

25%

Explanation:

Percent by mass is looking at the percentage of mass within a a solution. So since there's 100g of water and 25 grams of sugar, you divide 25 by 100 to get the ratio. Then multiply by 100 to get the percentage.

What is Al and O's balanced compound?

Answers

Answer:

Aluminum generally forms Al3+ ions. Oxygen generally forms O2− ions. So when the metal and the non-metal make music together they form a neutral compound, i.e. Al2O3 (i.e. 2×3−3×2=0) . The ionic bonding is so strong (due to charge magnitude) in this material that it is reasonably insoluble.

Explanation:

What is responsible for the unusual chemical properties of water?

Answers

Answer:

hydrogen bonds

Explanation:

pls choose it as brianliest

The unusual chemical properties of water is due to its polar covalent bond.

What is polar covalent bond ?

When atoms with differing electronegativities are shared between two atoms in such a covalent link, the result would be a polar covalent bond.

What is water ?

Water is a kind of mixture of hydrogen and oxygen . Its chemical formula will be [tex]H_{2}O[/tex].

Along with its polar covalent connections, water displays a variety of interesting features. Because oxygen has a higher electronegativity than hydrogen, electron pairs were drawn closer to the oxygen atom, causing it to be partially negatively charged. As a result, both hydrogen atoms acquire a slightly positive charge.

Therefore, polar covalent bond will be responsible for unusual chemical properties of water.

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Which of the following requires the most input of energy?



Ovaporizing a substance

O melting a substance

O decreasing the temperature of the substance by 1°C

O raising the temperature of the substance by 1°C​

Answers

Answer:

D ✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔✔

Increase in pressure affects which of the following states in chemical reactions? A Solid only B Liquid only С Gas only D All of the above​

Answers

Answer:

D All of the above

[tex] \: [/tex]

what happens to the 1s orbitals on the hydrogen atoms as they approach to make a covalent bond?

Answers

i dont know im only doing for points

Answer: They begin to overlap

Excited hydrogen atoms emit light in the ultraviolet at 2.47x1015Hz. What is the
energy of a single photon with this frequency?

Answers

The energy of a single photon of this frequency is 1.638 × 10⁻¹⁸ J

Using Planck's equation, the energy of the photon E = hf where h = Planck's constant = 6.63 × 10⁻³⁴ Js and f = frequency of ultraviolet light = 2.47 × 10⁻¹⁵ Hz.

Substituting the values of the variables into the equation, we have

E = hf

E = 6.63 × 10⁻³⁴ Js × 2.47 × 10¹⁵ Hz.

E = 16.3761 × 10⁻¹⁹ J

E = 1.63761 × 10⁻¹⁸ J

E ≅ 1.638 × 10⁻¹⁸ J

So, the energy of a single photon of this frequency is 1.638 × 10⁻¹⁸ J

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Count the following atoms​
NEED ANSWER ASAP ​

Answers

Just use the subscripts
You have 4 hydrogens in one NH4 compound, and you have 3 NH4, so that gives you 12 H and 3 N.
You also have a coefficient of 2 in front of (NH4)3, so that means you would multiply 12 H atoms by 2 and 3 N by 2, giving you 24 hydrogen atoms and 6 nitrogen atoms.
You also have 1 Phosphorus atom, and 4 oxygen atoms, so now add all your individual atoms up:
24 hydrogen + 6 Nitrogen + 1 Phosphorus + 4 Oxygen = 35 atoms in total

the number of neutrons in the nucleus of an atom can be determined by

Answers

Answer:

To calculate the number of neutrons, subtract the atomic number (which equals the number of protons) from the mass number.

hope this helps☆☆☆

What are chemicals that speed up the rate of chemical change?

Answers

Catalysts speed up chemical reactions / changes.

Hope this helps!

Which phrase best describes the vapor point of a substance?
the strength of the bonds between molecules of a substance that is in a gaseous state
the amount of heat energy required to change a substance from a liquid to a gas
the temperature at which additional heat energy causes the substance to change from a liquid to a gas
the average kinetic energy of the molecules of a substance in its gaseous state

Answers

The phrase which best describes the vapor point of a substance is Choice C; the temperature at which additional heat energy causes the substance to change from a liquid to a gas.

The vapour point of a substance by definition is the state of a substance at which upon addition of any amount of heat energy; he substance undergoes a phase change from liquid to solid.

Read. more;

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can someone send the working and answer for this question with formulas used and all

Answers

Answer:

its letter d ..................................

what viral components might serve as good targets for the design of antiviral chemicals?

Answers

Specific events in virus replication identified as targets for antiviral agents are viral adsorption, penetration, uncoating, and viral nucleic acid synthesis as well as viral protein synthesis.

what volume will 28.0 g of O2 occupy at STP?

Answers

Considering the definition of STP conditions, 28 grams of O₂ will ocupy at STP 19.6 L.

The STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.

On the other side, the molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

In this case, you  have 28 g of O₂. The molar mass es 32 [tex]\frac{g}{mole}[/tex]

Next, you can apply the following rule of three: if 32 grams of the compound are contained in 1 mole, 28 grams are contained in how many moles?

[tex]number of moles=\frac{28 gramsx1 mole}{32 grams}[/tex]

number of moles= 0.875 moles

Now, you can apply the following rule of three: if by definition of STP conditions 1 mole of O₂ occupies a volume of 22.4 liters, 0.875 moles occupies how much volume?

[tex]volume=\frac{0.875 molesx22.4 L}{1 mole}[/tex]

volume= 19.6 L

Finally, 28 grams of O₂ will ocupy at STP 19.6 L.

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which elements from the periodic table are the least reactive

Answers

Noble gases are the least reactive of all elements. That's because they have eight valence electrons, which fill their outer energy level. This is the most stable arrangement of electrons, so noble gases rarely react with other elements and form compounds.

Group 18; The Noble Gases contains the elements on the periodic table that would be the least reactive out of all the elements. So, this include any gas element, such as helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og). Hence, if you have the options:

(The Option in Bold is Correct)

O the group with fluorine at the topO the group with carbon at the topO the group with helium at the topO the group with hydrogen at the top

-----------------------------

Hope this helps!

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(will mark brainliest if ou give me the right answer!!!!)

You observe your friend rub a balloon on their wool sweater and then stick it to the wall. To investigate, you set up an experiment to test whether other objects will respond in the same way when you rub them against a sweater. What is the test variable in your experiment?

A. The number of times you rubbed the object on the sweater
B. The observation that the object sticks to the wall
C. The sweater you use to rub against the objects
D. The type of objects you are testing in the experiment

Answers

Answer:

D

Explanation:

BEcause you are testing which objects will stick. Your control variable will be the sweater. And the number of times you rub the object on the sweter will not make it stick. It will make it stick for a longer period.

Answer:

D. The type of objects you are testing in the experiment

What is a material through which waves travel?
space
vibrations
motion
medium

Answers

Electromagnetic waves travel through space

the atom is one of the basic units of matter. which part of the atom mostly determines the size of the atom?

Answers

Answer:

nucleus

Explanation:

The nucleus contains the majority of an atom's mass because protons and neutrons are much heavier than electrons, whereas electrons occupy almost all of an atom's volume

how many moles of oxygen are in 20 grams of oxygen

Answers

Answer:

0.625

Explanation:

If you are referring the O2, first you need to get the relative mass of it. You can see the O's is around 16. but this is O2,you need to multiple it.

16×2=32

We get the equation n=m/M where m is for gram

20/32=0.625mol

What effect does salt have on a marshmallow?

Answers

Answer:

The original marshmallow was named for the inclusion of marshmallow root in the recipe. The roots and leaves of the marshmallow plant contain mucilage, a slimy-textured demulcent best known for its use as a homeopathic cough suppressant. Marshmallow root is considered to be soothing and mildly antimicrobial. It has long been used as an herbal treatment for minor digestive issues and skin irritations, although its use in the creation of its namesake confection has long since fallen by the wayside.

Explanation:

So basically salt makes it strecthy! Please mark brainliest!!

What is a single layer of graphite called
Asking for GCSE Chemistry

Answers

Answer:

GRAPHENE is a single layer of graphite

Explanation:

each carbon atom bonded to 3 other carbon atoms forming a hexagonal lattice

in a battery that uses a licoo2 cathode approximately 50% of the lithium migrates from the cathode to the anode on charging. in a battery that uses a limn2o4 cathode what fraction of the lithium in limn2o4 would need to migrate out of the cathode to deliver the same amount of lithium to the graphite anode?

Answers

Answer:

92.4%

Explanation:

Assume 100g of the cathode material. The LiCoO2 cathode has 7.09 g of Li.  If half of Li migrates during charging, 3.55g Li migrates. 100g of the LiMn2O4 cathode contain 3.84g of Li. The fraction of lithium in LiMn2O4 that would need to migrate out of the cathode to deliver the same amount of lithium to the graphite anode:

(3.55g/ 3.84g ) * 100% = 92.4%

From electrolysis, 92.4% would need to migrate out of the cathode to deliver the same amount of lithium to the graphite anode.

What is electrolysis?

Electrolysis is a technique that uses direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction. Electrolysis is commercially important as a stage in the separation of elements from naturally occurring sources such as ores using an electrolytic cell. The voltage that is needed for electrolysis to occur is called the decomposition potential.

Assume 100 g of the cathode material. The LiCoO₂ cathode has 7.09 g of Li.  If half of Li migrates during charging, 3.55 g Li migrates. 100 g of the LiMn₂O₄cathode contain 3.84 g of Li. The fraction of lithium in LiMn₂O₄ that would need to migrate out of the cathode to deliver the same amount of lithium to the graphite anode:(3.55 g/ 3.84 g ) × 100% = 92.4%

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How did the industrial revolution contribute to global climate change

Answers

Answer:humans have put ridiculous amounts of carbon dioxide into the atmosphereThese events are linked to the mass burning of fossil fuels to meet an increase in human demand

So the answer is True

Explanation:

Burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750.

What is atmosphere?

Atmosphere is defined as a layer of gas that surrounds a planet and is kept there by the gravitational pull of the planetary body. The atmosphere of Earth includes five primary layers and a number of minor ones.

Industrial revolution is defined as the transition of an economy based on agriculture and handicrafts to one driven by industry and machine production. The causes of industrial revolution are the advent of capitalism, European imperialism, efforts to mine coal, and the effects of the Agricultural Revolution are some of the factors that historians have recognized as contributing to the Industrial Revolution.

Thus, burning fossil fuels, such as coal and oil, has increased the quantity of greenhouse gases in our atmosphere since the Industrial Revolution began around 1750.

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An increase in which property would cause an electromagnetic wave's energy
to increase?
A. Wavelength
B. Mass
C. Frequency
D. Speed
SUBMIT

Answers

C. Answer correct I think…

HELP!!

Do you think the number of asteroid samples a pod is carrying could make a difference? Might that explain why the
same strength thruster force caused this pod to have a different change in velocity? Explain your ideas, even if you are
unsure

Answers

How does weight affect the speed of an object? Mass doesn't affect speed directly. It determines how quickly an object can change speed (accelerate) under the action of a given force. Lighter objects need less time to change speed by a given amount under a given force.

https://www.mvorganizing.org/does-the-weight-of-a-car-affect-its-speed/

If a feather and a bowling ball were dropped in a vacuum(only gravity effects the variables), they will hit the ground at the same time. So if the mass keeps changing it, and the pod keeps stopping at different points it will take longer to accelerate or decelerate. I’m not totally sure, but here is an answer.

Magnesium has three naturally occurring stable isotopes, 24Mg (abundance 78.99%), 25Mg (abundance 10.00%) and 26Mg (abundance 11.01 %). Calculate the relative atomic mass of magnesium, giving your answer to 2 decimal places.(2)

Answers

Explanation:

M = molar mass

p= percentage abundance

[tex]rel.atm.mass = \frac{ M1p1 + M2p2 + M3p3}{100} \\ r.a.m = \frac{24 \times 78.99 + 25 \times 10 + 26 \times 11.01}{100} \\ r.a.m = \frac{1895.76 + 250 + 286.26}{100} \\ = \frac{2432.02}{100} \\ 24.32[/tex]

BRAINLIST

help<3
If a solid object is taken from Earth far into space, which of the following measurements of the object
will change the most?
A. density
B. mass
C. volume
D. weight

Answers

Answer:

D. weight

[tex] \: [/tex]

Question:-

If a solid object is taken from Earth far into space, which of the following measurements of the object will change the most?

A. density

B. mass

C. volume

D. weight

Answer:-

option D. weight

Explanation:-

Because the gravity of the planet/object changes, the weight of the object changes when you move it away from the earth or place it on another planet.

However, the mass of the object remains the same regardless of whether it is on Earth or outer space.

___is a measure of the change in velocity of a

moving object.

THIS IS URGENT ! Please fill in the blank

Answers

Acceleration is a measure of the change in velocity of a moving object. :)

Why is lead(II) nitrate: “Pb(NO3)2” and not “Pb3NO2”?

Just a bit confused because it looks a bit funny compared to how I learned how to write compounds.

Answers

Explanation:

this is because the combining capacity, ie valency, of Pb is 2 of which NO3 is 1. So, when they will combine by cross method, the compound become Pb(NO3)2 (lead II nitrate).

hope this helps you.

Write the electron configuration for the metal in group 5A and the alkali metal in period 2

Will give brainliest if answered fast :)

Answers

Answer:

metal in group 5A is bismuth

electronic configuration : 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6 4f^14 5d^10 6s^2 6p3

alkali metal in period 2 is lithium

1s^2 2s^ 1

Explanation:

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