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My name is Ann [436]
3 years ago
8

What part of the atom is involved in chemical reactions?

Chemistry
1 answer:
Lesechka [4]3 years ago
7 0
Chemical reactions happen when two or more atoms go together to form molecules or when Atoms brake
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Is salt water solution a homogeneous mixture
GuDViN [60]

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yes, it is a homogeneous mixture because the different parts cannot be seen.

Explanation:

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How many neutrons are in the nucleus of an atom that has an atomic mass of 36 and an atomic number of 25?
elixir [45]

Answer:

Neutrons = 11

Explanation:

To get the number of neurons an element has you have to subtract the number of protons from the atomic mass of that element.

The number of protons is equal to the atomic number of that element.

Atomic number = Number of Protons

So the number of protons is 25

Neutrons = Atomic mass - Number of Protons

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How do I do this and what are the answers?
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25.2 mL of water are placed in a graduated cylinder. A 22.6 g stone is dropped in, and the water level rises to 32.4 mL. Find th
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<span>Displaced volume :

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32.4 mL - 25.2 mL => 7.2 mL

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