Question 1

How do you find the atomic mass?

Accepted Answer

add protons and neutrons

Answer

add electrons and protons

Answer

add electrons and neutrons

Question 2

If aluminum has 13 protons, 14 neutrons, and 13 electrons, what is the atomic number?

Accepted Answer

13

Answer

27

Answer

14

Answer

40

Question 3

What description fits hydrogen, nitrogen, oxygen, and chlorine?

Accepted Answer

gas at room temperature

Answer

solid at room temperature

Answer

they have nothing in common

Answer

liquid at room temperature

Question 4

Which description best fits zinc, copper, silver, and gold?

Accepted Answer

metals

Answer

radioactive

Answer

liquids

Answer

gases

Question 5

Which best describes carbon, sulfur, boron, and aluminum?

Accepted Answer

non-metallic solids

Answer

metals

Answer

radioactive

Answer

gases

Question 6

Water freezing is an example of

Accepted Answer

physical change

Answer

chemical change

Question 7

Mixing ingredients to bake brownies is an example of

Accepted Answer

chemical change

Answer

physical change

Question 8

A nail rusting is an example of

Accepted Answer

chemical change

Answer

physical change

Question 9

Tearing a piece of paper in half is an example of

Accepted Answer

physical change

Answer

chemical change

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