Chemistry 1 test review

How many electrons does a Copper atom have?

• 63

• 29

• 92

• 34

How many protons does an Iodine atom have?

• 53

• 126

• 73

• 179

How many neutrons does a Hydrogen atom have?

• 1

• 2

• 3

• 0

An atom of the element with atomic number 6 always has _____.

• six protons in its nucleus
• an atomic mass of six
• more than six neutrons
• six electron clouds

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

In an atom, the number of protons is equal to the number of ____________.

• energy levels

• neutrons

• neurons

• electrons

At what part of the atom is the arrow pointing?

• nucleus

• energy level

• electron

• proton

Where are the Electrons found in the structure of an atom?

• In the nucleus
• In spaces around the nucleus

In a neutral atom,

• protons = electrons

• protons = neutrons

• neutrons = electrons

• protons = neutrons = electrons

What is the atomic number of this atom?

• 2

• 4

• 6

• 8