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Ratling [72]
3 years ago
7

5)

Chemistry
1 answer:
Kipish [7]3 years ago
3 0

Answer:

11 proton and 12 neutron

11 electrons

Explanation:

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The proton and electrons are equal,

15protons and 15electrons

Explanation:

An atom is the smallest electrical neutral particle of an element so it means that every atom have same number of protons and electrons.

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Two comets are 300 m apart. One
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a

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The SI base unit for mass is the gram. TRUE FALSE ​
Anni [7]
The answer is true the si base unit for mass is the gram
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1. What does it mean for a substance to be soluble?​
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Answer:

Solubility is a chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent. It is measured in terms of the maximum amount of solute dissolved in a solvent at equilibrium. ... Certain substances are soluble in all proportions with a given solvent, such as ethanol in water.

Explanation:

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7. Buffalo were moved from Yellowstone National Park because
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they had killed other animals

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