1121 Chemistry Part 1

What is the atomic mass for Nickel?

• 28

• 58

• 59

• 31

What is the atomic number of chromium?

• 24

• 51

• 52

• 36

What is the atomic mass of sulfur?

• 16

• 35

• 32

• 45

Ag, Li, Ca are all considered….

• Metals

• Non-metals

• Halogens

• Noble Gases

The most unreactive (stable) group of elements on the Periodic Table are the:

• Alkali Metals

• Halogens

• Noble Gases

• Transition Metals

How many orbits/shells would be needed for the Bohr diagram of Carbon, C?

• 6

• 14

• 2

• 12

An atom becomes a negatively charged ion when it…

• Loses Protons

• Gains Electrons

• Gains Protons

• Loses Electrons

1. The particles inside the atom are very ______________ compared to the lighter particles buzzing around the middle.

• Heavy

• Light

• Empty

• Round

Atoms are mostly _____________ space.

• Light

• Outer

• Empty

• Full

Protons have a ___________________ charge.

• No

• Neutral

• Negative

• Positive