The azimuthal quantum number and magnetic quantum number corresponds to the s orbital is zero. Hence, there is only one m value and thus contains one orbital only.
What are quantum numbers ?The quantum numbers are numbers used to describe the position of an electron within an orbital. The principal quantum number n indicates the main energy level. The azimuthal quantum number l indicates the shape and type of orbital which have values from 0 to n-1.
The magnetic quantum number m indicates the number of orbitals for a sublevel. m can have values from + l to -l. The fourth quantum number s is called spin quantum number. For an electron the spin quantum number can be +1/2 or -1/2.
The n value for the 6s sublevel is 6. The azimuthal quantum number , l for an s orbital is zero. So its m quantum number has only one value that is zero. Hence, there is only one orbital in 6s sublevel.
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The combination of two or more atoms, from the same or different elements, creates a(n).
a. element
c. molecule
b. atom
d. mixture
Please select the best answer from the choices provided
Pls help!!!! Fast!!!
B
С
D
Answer:
c Molecule
Explanation:
cuz science
What of the following is made out of atoms? (HINT: vocabulary word "atom" or "matter") * 1 Air
2 Light
3 Energy
4 Sound
Convert 2.6 x 106 mL to L.
Answer:
0.2756 L
Explanation:
0.2756 L
In which phase transition do molecules move directly from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles?
evaporation
sublimation
freezing
deposition
would be your answer because it releases other cells out and causes the needy of cells to evaporate and sink.
sublimation is the phase transition do molecules move directly from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles.
What is Sublimation?In the process of printing sublimation shirts, an image is first printed on a special sheet of paper before being transferred to a different material, typically polyester or a polyester blend. After that, heat is applied to the ink until it fuses with the fabric.
Sublimation shirt printing is more expensive than other procedures, but it produces shirts that stay longer and don't peel or crack over time.
he primary distinction between sublimation and heat transfer is that during sublimation, just the ink transfers to the substrate. A transfer layer is frequently also transferred to the material during the heat transfer procedure.
Therefore, sublimation is the phase transition do molecules move directly from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles.
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I would like some help on this please.
Answer:
Both b and c i think so... .
I think it is the dark blue tile because if it is not soluble, or insoluble, then it will not dissolve and you will still see it floating around in the liquid or at the bottom of the container.
Why is it important o differentiate between human and animal blood from a crime scene? A) To determine whether an animal might have been injured. B) In order to accurately identify the source of any blood. In order to thoroughly and accurately recreate the crime scene. D To determine the possible source of any trace evidence such as hair or bite marks
Answer:
B) In order to accurately identify the source of any blood. In order to thoroughly and accurately recreate the crime scene.
When does a single-displacement reaction occur?
A. When a substance, usually containing carbon, reacts with oxygen
to produce energy in the form of heat and light
B. When one element replaces another element in a compound
during a chemical reaction
C. When a substance is broken down into two or more simpler
substances in a chemical reaction
D. When a single element forms two double elements
Answer:
B. When one element replaces another element in a compound during a chemical reaction
What is conduction?
Transfer of heat through circular movement
Transfer of heat through direct physical contact
Transfer of heat through electromagnetic waves
Transfer of heat through the movement of part
Answer:
Transfer of heat through direct physical contact
Explanation:
The meaning of conduction is the transfer of heat directly transmitted through a substance when there is the difference between temperature and electrical potential. Hope it helps!
Answer:
B
Explanation:
What are the four main types of tissues in the human body?
epithelial
dermal
vascular
connective
muscle
nervous
answer this question
Answer:
The first one
Explanation:
If Tracy were to put the pizza on the countertop to cool down, which temperature do you predict the pizza would get to?
a. -1 degrees Celsius
b. 10 degree Celsius
c. 27 degree Celsius
d. 93 degree Celsius
e. 260 degree Celsius
Answer:
d. 93 degree Celsius
Explanation:
Plzzzzzzzzzzzzzzzzzzzzzzz mark AS BRAINLIST
Question 20 of 66
Which of the following species has the same number of protons as Fe3+?
A) Mn3+
B) Co2+
C) Fe2+
D) Nit
E) CO3+
Fe²⁺ has the same number of protons as Fe³⁺.
In order to know the number of protons of a species, we need to look for the atomic number (Z) in the Periodic Table.
The atomic number of Fe is 26, so it has 26 protons. Since protons are in the nucleus, they are not lost nor gained. Fe³⁺ results from Fe losing 3 electrons, but it has 26 protons as well.
Taking this into account, let's consider the number of protons of the following species:
A) Mn³⁺. It has 25 protons like Mn (Z = 25).
B) Co²⁺. It has 27 protons like Co (Z = 27).
C) Fe²⁺. It has 26 protons like Fe (Z = 26).
D) Ni. It has 28 protons (Z = 28).
E) Co³⁺. It has 27 protons like Co (Z = 27).
Fe²⁺ has the same number of protons as Fe³⁺.
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how many moles of methane are there in a 10g sample?
1 grams Methane is equal to 0.062334579609362 mole. Note that rounding errors may occur, so always check the results.
which type of matter is represented by the particle diagram
Answer:
a compound
Explanation:
__is a term that refers to the amount of space that a substance or an object takes up
What is the process that occurs when repeated freezing and thawing breaks apart rocks?
Erosion
Deposition
Physical weathering
Chemical weathering
Answer:
C. Physical weathering.
Answer: C. Physical weathering.
Explanation:
Refer to the Chemical Compounds table above. How many total elements are in
Ethanol?
Answer:
3 element i.e carbon (C), hydrogen (H) and oxygen.
Explanation:
The following data were obtained from the question:
Subtance >>>>>>>> Chemical Formula
Glucose >>>>>>>>> C₆H₁₂O₆
Methane >>>>>>>> CH₄
Ethanol >>>>>>>>> C₂H₅OH
Hydrogen peroxide >> H₂O₂
From the above table, we can see that ethanol (C₂H₅OH) contains carbon (C), hydrogen (H) and oxygen
Therefore, the total number of elements present in ethanol, C₂H₅OH is 3.
How do elements tend to structure the molecules of life?
Answer:
The six most common elements in living things are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur. Atoms of these elements combine and form thousands of large molecules. These large molecules make up the structures of cells and carry out many processes essential to life.
Explanation:
hope that helped
Different elements combine together to form an organism and other essential organic and inorganic molecules for the life and survival of organisms.
In multicellular organisms, such as animals, atoms form molecules by coming together. These atoms are present in the elements. Molecules can interact to form cells. Cells combine to form tissues, which make up organs.
At the most basic level, all organisms are made of a combination of elements:
carbon is the most common and essential element for the lifeCarbon has the ability to form a wide range of compounds.With other elements most commonly, hydrogen, the oxygen they form various molecules such as carbohydrates, lipids, and many more.With other molecules like phosphate, sulfur, and nitrogen they make essential macromolecules and nutrients like protein, vitamin, and nucleic acid essential for life.Thus, Different elements combine together to form an organism and other essential organic and inorganic molecules for the life and survival of organisms.
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What is another name for radioactive dating?
Answer:
radioisotope dating is another name
Answer:
Radiometric dating
Explanation:
hope that helps
How much MmHg are in 30.0 psi
Answer:
1551.45 MmHg
hope this helps :D
is a granite a mineral or a rock
Answer:
Rock
Step-by-step explanation:
It's an igneous rock
I hope this helps!
Answer the following questions in the space provided.
1. Classify each of the following as a homogeneous or heterogeneous substance.
a. iron ore
b. quartz
c. granite
d. energy drink
e. oil-and-vinegar salad dressing
f. salt
g. rainwater
h. nitrogen
2. Classify each of the following as a physical or chemical change.
a. ice melting
b. paper burning
c. metal rusting
d. gas pressure increasing
e. liquid evaporating
f. food digesting
3. Compare a physical change with a chemical change.
Answer: iron ore is heter
quartz homo
granite heter
energy drink homo
oil-and vingar salad dressing heter
salt homo
rainwater homo
nitrogen homo
ice melting chemical
burning paper chemical change
100 POINTS HELP!!!!!!!!!!!!!!!!!!!!
Given that,
Mass number of Ge = 70
Then,
Atomic number of Ge = 32
No. of protons = 32
No. of electrons = 32
No. of neutrons,
→ 70 - 32 = 30
Answer:
30 is correct
Explanation:
70 - 32 = 30 mark as brainliest
Calculate the atomic mass of the unknown element X described below.
Please help
Answer:
286
Explanation:
Add atomic mass of all the Isotopes,
Outcome = 825
divide it by number of isotopes which is 4 because there are 4 isotopes
Atomic mass of x = [tex]\frac{825}{4}[/tex]
Atomic mass of x is 286
The atomic mass of the unknown element X is 206 amu. Thus option B is correct.
What is atomic mass?Atomic mass is defined as the relative mass of the element's atom in comparison to the mass of an atom of the C12 isotope.
In an example, the general atomic mass is the average of the atomic masses of a large number of different isotopes.
First we added atomic mass of each isotopes
= 204 + 206 + 207 + 208 = 824
Now to calculate the atomic mass of element X we divide it by 4 as there is four isotopes
So, atomic mass = 824 / 4
= 206 amu
Thus, the atomic mass of the unknown element X is 206 amu. Thus option B is correct.
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16. The diffusion rate of an unknown gas is measured to be 31.50 mL/min. Under
identical conditions, the diffusion rate of oxygen gas is measured to be 30.50
mL/min. Hint: diffusion rate is directly related to velocity.
Determine the identity of the unknown gas from the following options:
a. CH4
b. CO
C. NO
d. CO2
e. NO2
Answer:
Explanation:
[tex]\frac{r_1}{r_2} = \sqrt{\frac{M_2}{M_1} }[/tex]
r₁ and r₂ are rate of diffusion of gas having molecular mass of M₁ and M₂
[tex]\frac{31.5}{30.5} = \sqrt{\frac{32}{M_1} }[/tex]
1.0666 = 32 / M₁
M₁ = 30
molecular weight of NO = 14 + 16 = 30
So the unknown gas is NO .
Pleaseee helpppp this is thermal energy in 6th rade and i need it quick for a formal assesment!!!!!!
Answer:The answer is B my child
Explanation:
Kinetic and potential energy are two types of energy that relate too
Answer:
Option B. A tractor–trailer traveling at 80 kph.
Explanation:
Kinetic energy can be defined as the energy possessed by a body in motion. Mathematically, it is expressed as:
K.E = ½mv²
Where:
K.E is the kinetic energy.
m is the mass of the object.
v is the velocity of the object.
From the equation, K.E = ½mv²,
We can say that the kinetic energy (K.E), is directly proportional to both the mass (m) and square of the velocity (v). This implies that the greater the mass of an object, the greater the kinetic energy and the smaller the mass, the smaller the kinetic energy.
Now, considering the options given in question above, it is evident that the tractor–trailer has a greater mass than the car, cheetah and motor cycle. Hence, the tractor–trailer will have a greater kinetic energy even though they are traveling with the same velocity.
calculate the molarity of a solution made by dissolving 3.7 moles of sodium chloride in 8.7 liters of water?
Answer:
Molarity = 0.425 M
Explanation:
Given data:
Number of moles = 3.7 mol
Volume of solution = 8.7 L
Molarity of solution = ?
Solution:
Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.
Formula:
Molarity = number of moles of solute / L of solution
Molarity = 3.7 mol/8.7 L
Molarity = 0.425 M
I need help with these 2 problems ASAP please.
This is not chemistry but i could not find science
(THIS QUESTION IS FOR SCIENCE)
Answer:
1. is sickle-cell anemia and 2. is phenyketonuria
Explanation:
1) The speed constant was determined for the first order decomposition of an organic compound at various temperatures:
Calculate the activation energy for the reaction. Build a graph of Arhenius
2) The hydrolysis of sucrose. in which a sucrose molecule is broken in a glucose molecule and a fructose molecule, is part of the digestive process. Calculate the speed constant for the hydrolysis of sucrose at 35,0 C knowing that k=1,0x10^-3 L mol^-1s^-1 at 37 C and that the activation energy is 108kj mol^-1
Answer:
1) Eₐ = 100.3 kJ/mol
2) k = 7.62×10⁻⁴ M⁻¹s⁻¹
Explanation:
1) Make an Arrhenius graph by plotting ln(k) on the y-axis and 1/T on the x-axis (don't forget to convert temperature to Kelvin).
The slope of the line is equal to -Eₐ/R.
-Eₐ/R = -12065
Eₐ = 100,300 J/mol
Eₐ = 100.3 kJ/mol
2) Since we know the slope of ln(k) vs 1/T is -Eₐ/R, we can say:
-Eₐ/R = (ln(k₂) − ln(k₁)) / (1/T₂ − 1/T₁)
Plug in values and solve for k:
-(108,000 J/mol) / (8.314 J/mol/K) = [ln(k) − ln(1.0×10⁻³)] / [1/(35+273.15 K) − 1/(37+273.15 K)]
-12990 = [ln(k) + 6.91] / (2.09×10⁻⁵ K⁻¹)
-0.272 = ln(k) + 6.91
ln(k) = -7.18
k = 7.62×10⁻⁴ M⁻¹s⁻¹