Unit 1B Review

What subatomic particles must be equal for an atom to be neutral?

• protons and neutrons
• neutrons and nucleus
• electrons and neutrons
• protons and electrons

What type of element are most of the elements on the periodic table?

• metals
• metalloids
• nonmetals
• gases

Which type of element is most likely to lose an electron to become an ion?

• metals
• metalloids
• nonmetals
• gases

Where are nonmetals located on the periodic table?

• right of staircase
• left of staircase
• bottom
• top

Using your periodic table, how many electrons are in Copper (Cu)?

• 11
• 63
• 29
• 34

Using your periodic table, how many protons are in Copper (Cu)?

• 11
• 63
• 29
• 34

Using your periodic table, how many neutrons are in Copper (Cu)?

• 11
• 63
• 29
• 34

What would be the likely oxidation number for an Alkali Metal with 1 valence electron?

• 1-
• 1+
• 2-
• 2+

How many valence electrons are in an element of Aluminum (Al)?

• 1
• 2
• 3
• 13

The periodic table is organized by increasing 

• valence electrons
• energy shells
• atomic mass
• atomic number