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tangare [24]
3 years ago
5

Which phrase describes an atom

Chemistry
1 answer:
pochemuha3 years ago
8 0
<span>A negatively charged electron cloud surrounding a positively charged nucleus. </span>
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Which has more thermal energy, 500g of ice or 500g of steam? explain your answer.
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Steam because steam comes from water which the energy makes it into steam
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3 years ago
Which statements describe phase changes? Check all that apply. Particles in a liquid need to move more slowly in order to freeze
Kipish [7]

Answer: Statements (A), and (C) are correct.

Explanation:

The statements that are true are as follows.

  • Particles in a liquid need to move more slowly in order to freeze.

When a liquid freezes the molecules get attracted towards each other. This attraction of particles occurs slowly. Hence, this statement is true.

  • Attractive forces between the particles in a liquid are broken when a liquid boils.

When temperature is raised, the molecules in a liquid gains kinetic energy and start to move quickly in random directions. As a result, liquid state changes to gaseous state. Hence, this statement is true.

If the attractive force between gas molecules have to be increased, they should be moving slower instead because moving faster does not help attracting molecules together.

Hence, the statement particles in gas move fast enough to make more attractive forces when the gas condenses is not true.


4 0
3 years ago
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Atom A has five protons, four neutrons, and five electrons. Atom
Anna35 [415]

Answer:

they are the same element because they have the same number of protons and electrons,but a different number of neutrons

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3 years ago
Which statements describe how heat flows in foil? Check all that apply. Heat flows in all directions. Heat flows from left to ri
docker41 [41]

Answer:

A D F

Explanation:

Its right but its not in order But its A D and F

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Help me with this question please
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