CHM Final Review 1

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

How many protons are in this element?

• 79
• 196
• 117
• Cannot be determined

How many electrons does potassium K contain? (click to see image)

• 19
• 39
• 20
• 40

How many neutrons are in a Gold atom?

• 79
• 196
• 118
• 275

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

What identifies the element?

• Protons
• Neutrons
• valence electrons
• Nucleus

A row on the Periodic Table of Elements

• family

• period

• row

• isotope

Metals (select all that apply)

• are found on the right side of the periodic table.

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• are malleable and ductile.

Nonmetals (select all that apply)

• are found on the right side of the periodic table.

• are found on the left side of the periodic table.

• are good conductors of heat and electricity.

• are brittle.

• can be solid, liquids, or gases at room temperature.

Which element is found in group 2, period 6?

• Oxygen (O)

• Barium (Ba)

• Selenium (Se)

• Carbon (C)