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zhannawk [14.2K]
3 years ago
6

The value equal the sum of the protons and neutrons in the nucleus of an atom

Chemistry
1 answer:
Roman55 [17]3 years ago
6 0

The Atomic Number should be your answer, although I am not completely sure.

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Greeley [361]

Answer:

Explanation:

Option B volume is the correct answer

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3 years ago
Phosphorus trichloride gas and chlorine gas react to form phosphorus pentachloride gas: pcl3(g+cl2(g?pcl5(g. a 7.5-l gas vessel
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4 years ago
What is the significance sodium hydroxide and hydrochloric acid
hammer [34]

Answer:

They are a base and an acid,  so they neutralize each other.

Explanation:

Sodium hydroxide is a strong base. Hydrochloric acid is a strong acid.

They react with (neutralize) each other to form a salt (sodium chloride) and water.

NaOH + HCl ⟶ NaCl + H₂O

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3 years ago
What is the percent composition by mass for hydrogen in water (H2O)?
saw5 [17]

Explanation:

Percentage composition = 2/18 = 11.11%.

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3 years ago
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andrezito [222]

Answer:

physical

Explanation:

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3 years ago
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