Answer:
An atom that has a negative or positive charge it is called an ion.
Answer:
It''s called a Cation
Explanation:
materials that are eroded from one location are always ?
WILL GIVE BRAINLIST IF RIGHT
While visiting Thor's Hammer in Bryce Canyon National park, you observe red coloring on the landform. What natural process most likely caused the red coloring? (4 points)
Chemical weathering
Deposition
Erosion
Mechanical weathering
Answer:
Chemical weathering because the landform changed color
Explanation:
Answer: A) Chemical Weathering
Explanation:
I took the test :)
Is it OK for people to post fake vacation pics and other fake info on social media? Why or why not? Use facts and details from the Article to back up your answer.
Answer:
No, It is not okay to pretend on social media.
Explanation:
No, it is not okay for people to post fake vacation pics and other fake info on social media. This is very wrong, as -
This 'all time look good, feel good, have a happening life' approach of social media - implies showing only the positive side & not negative side of people's life. However, in real life is not a bed of roses. Faking things out implies that pretending to be cool has become more important than sharing deep meaningful relationships, & highlights superficial desire of false popularity. It is also harmful to people being communicated this fake image, as they might indulge into any social involvement, on the basis of unreal image of the concerned person.Answer:
it is not ok because there are other people that will look at those pictures and say aww i wish i were them but we all need to exept who we are
hope this helped
mark me brainliest please
Explanation:
A physical property tells how a substance changes into a new substance
Answer:
false
Explanation:
i need to know what word goes into that the words are in each sentence plz help me i will give brainliest thank you :)
Answer:
im taking these points baby lol
Explanation:
i love you <3
Which of the following phrases best describes an atom? Choose the two correct answers.
A.
made up of protons, electrons, and neutrons
B.
made up of solids, liquids, and gases
C.
largest unit of matter
D.
smallest unit of matter
E.
made up of water
Answer:
A & D
Explanation:
all of the other things are made up of atoms, not what atoms themselves are made of. they are not large, and they make up all matter
An atom is made up of a nucleus and revolving electrons. Inside the nucleus protons and neutrons are located. Thus the components of an atom are protons, electrons and neutrons. Thus, option A is correct.
What is an atom?An atom is the basic unit of every substances. Atoms combine together to form molecules, molecules then forms compounds and so on.
The inner core of an atom is called nucleus which contains positively charged particles namely protons and neutral particles neutrons. There are circular paths of fixed energy surrounding the nucleus.
The circular paths around the nucleus is called orbits through which the electrons are revolving. Electrons are negatively charged particles and they neutralize equal number of positive charges.
A neutral atom have equal number of protons and electrons and this number is called its atomic number. The sum of number of protons and neutrons is called the mass number.
Hence, an atom is made up of protons, electrons, and neutrons and option A is correct.
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Plants and animals can build up or break down rock by increasing weathering, erosion, and
deposition. true or false
Answer:
false
Explanation:
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering.
{b}
In experiment B. the iron filings weighed 2.0g at the beginning of the experiment
and the iron sulphide produced weighed 2.8g.
Explain this increase in mass.
Explanation:
The increase in mass is because the iron fillings have combined with a sulfide to produce iron sulfide and so the mass will increase.
In such a reaction like this, the mass of the reactants must be conserved. By so doing, the mass of reactants and products must be the same.
When two substances combine together, their masses added up to that of the individual masses. This helps to conserve the mass.
Please answer 7-9 i am using alot of my points for this
Answer:
7... simalair: made of more than 2 things DIffernt: elemants are made of atoms.
Explanation:
Complete the sentence by using the drop-down menus
to choose the words that describe the image most
accurately
To make an omelet, first
the egg and then let
the insides slide
into the bowl.
Answer:
1st one: crack
2nd: carefully
Explanation:
Answer:
Crack and then carefully
Explanation:
I just did it in edgen 2020
Suppose while walking along the beach, you find a green crystal. Which properties could you use to determine whether the crystal is an emerald?
Explanation:
Emerald is defined by its green color. To be an emerald, a specimen must have a distinctly green color that falls in the range from bluish green to green to slightly yellowish green. To be an emerald, the specimen must also have a rich color.
Complete each of these
Heeeelp,,, serious answers only pls i dont wanna hear about your love life
im in the middle of a chem test and i literally have no clue what is happening
Answer:
No question so I'm just taking the points
How many atoms is 3.49x1032 moles of KOH?
2.1 x 10⁵⁶ atoms
Further explanationThe mole is the number of particles(molecules,atoms,ions) contained in a substance
1 mol = 6.02.10²³
number of atoms :
[tex]\tt 3.49\times 10^{32}\times 6.02\times 10^{23}=2.1\times 10^{56}[/tex]
is this a balanced equation?
Answer:
C6 H12 O6 +6 O 2 → 6 CO2 + 6 H2 O
Josh is washing glasses with soap and water. He is afraid to
carry the glasses because they are slippery. What might he find in the
kitchen that he could use to keep the glasses from being slippery? Explain.
Josh is washing glasses with soap and water. He is afraid to carry the glasses because they are slippery. Josh could dry them with a towel to keep the glasses from being slippery.
What are glasses ?Glasses are visual eyewear that have lenses fixed in a frame that holds them in front of a person's eyes. The frame often has a bridge over the nose and arms that rest over the ears. Glasses are also known as eyeglasses or spectacles.
The term "glasses" likely originated from the word "spyglass," which was originally used to describe "a pair of eyeglasses" that had to be held up to the eyes in order to be fully effective.
Eyeglasses, often known as glasses or spectacles, are lenses that are mounted in frames and worn in front of the eyes to improve vision or to correct astigmatism, myopia, or hyperopia.
Thus, Josh could dry them with a towel to keep the glasses from being slippery.
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hello, what’s the difference between oxidation and oxidising agents?
Answer:
An oxidising agent oxidises something else. Oxidation is loss of electrons (OIL RIG). That means that an oxidising agent takes electrons from that other substance.
Explanation:
When Earth is tilted on its axis why does it orbit the sun ?
Answer:
Here
Explanation:
Some assume our planet's changing distance from the sun causes the change in the seasons. That's logical, but not the case for Earth. Instead, Earth has seasons because our planet's axis of rotation is tilted at an angle of 23.5 degrees relative to our orbital plane, that is, the plane of Earth's orbit around the sun
The length breadth and thickness of a brick is 18cm 8 cm and 5cm respictively find the area of the widest part of rhe brick
Answer:
144cm²
Explanation:
Given dimensions:
Length x breadth x thickness
18cm x 8cm x 5cm
The widest part of this figure will be the face containing the length and the breadth.
The breadth is the width of the figure;
Area of the widest part = length x breadth = 18cm x 8cm = 144cm
The area of the widest part of the figure is 144cm²
what is the name of the structure?
Answer:
The structure is called Propyl ethanoate
7. At what structures in the lungs do the exchange of oxygen and carbon dioxide take place?
A. Bronchi B. Alveoli C. Bronchioles D. Trachea
LA
Answer:
Answer is Alveoli
Hope it helps.... plz mark as brainliest
Name the change of state when a liquid becomes a gas
Answer: Evaporation
Explanation: the process of turning from liquid into vapor
i really need these answered!!
Explanation:
3)
Equation -
3F₂ (g) + 2AlBr₃ (s) → 3Br₂ (l) + 2AlF₃ ↓
4)
When sulphur dioxide gas reacts with oxygen then it forms sulphur trioxide gas.
Equation -
2SO₂ (g) + O₂ (g) → 2SO₃ (g)
Am i gay?
I cant tell so i may need a third party to tell me whether i like men or not
Answer:
ok
Explanation: whatever you think
schroedinger thought that electrons
Answer:
In Niels Bohr's theory of the atom, electrons absorb and emit radiation of fixed wavelengths when jumping between fixed orbits around a nucleus. The theory provided a good description of the spectrum created by the hydrogen atom, but needed to be developed to suit more complicated atoms and molecules.
Explanation:
Due to the presence of dipole-dipole forces, polar covalent molecules like water tend to be _____ at room temperature. *
liquids
gases
metals
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Actually Welcome to the Concept of the Chemical bonds.
Due to the presence of dipole-dipole forces, polar covalent molecules like water tend to be _____ at room temperature.
The answer is Liquids
Water tends to be liquids at the room temperature.
what is the total number of electrons found in the valence shell of noble gas in the ground state?
Answer:
eight
Because the noble gases are the least reactive of all elements, their eight valence electrons are used as the standard for nonreactivity and to explain how other elements interact.
Explanation:
Which of the following contains the most atoms?
24.305 g Mg
39.098 gk
21.62 g B
9.0122 g Be
Explanation:
9.0122 g be Maybe, sorry i don't think so
In the above , the sample of B 21.62 g of boron contains the most atoms because it has approximately 2 moles, while the other samples have only 1 mole each.
What is atomsThe molar mass of each element can be found on the periodic table.
The molar mass of Mg (magnesium) is about 24.305 g/mol.The molar mass of K (potassium) is about 39.098 g/mol.The molar mass of B (boron) is approximately 10.81 g/mol.The molar mass of Be (beryllium) is about 9.0122 g/mol.To calculate the number of moles in each sample, we divide the mass of each sample by its respective molar mass:
For Mg: Number of moles = 24.305 g / 24.305 g/mol = 1 moleFor K: Number of moles = 39.098 g / 39.098 g/mol = 1 moleFor B: Number of moles = 21.62 g / 10.81 g/mol ≈ 2 molesFor Be: Number of moles = 9.0122 g / 9.0122 g/mol = 1 moleTherefore, the sample with 21.62 g of boron (B) contains the most atom
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Heeeelp ill give brainlist