Bonding Review - Ionics and Covalents

What are the numbers 2 and 3 called in the formula Ca(NO₃)₂?

• subscripts
• coefficients
• numerators
• distributors

How many atoms of oxygen are in the molecule Ca(NO₃)₂?

• 2
• 3
• 6
• 12

How many molecules are there in 5 PbI₂?

• 1
• 2
• 5
• 10

What is the percent of carbon and oxygen in CO₂?  (Round your answer to a whole number.)

• 33% carbon, 67% oxygen
• 27% carbon, 73% oxygen
• 12% carbon, 32% oxygen
• 44% carbon, 44% oxygen

How many dots would you draw for a Lewis dot diagram of sulfur (#16)?

• 2
• 6
• 8
• 16

Which of these elements is not likely to bond with another atom?

• K (#19)
• Zr (#40)
• Gd (#64)
• Rn (#86)

How many valence electrons does Te (#52) have?

• 2
• 6
• 8
• 16

What would be the charge on this atom?

• +2
• +6
• -2
• -6

Is indium (#49) a metal or non-metal?

• metal
• non-metal

How many electrons does phosphorus (#15) need to gain in order to be stable

• 3
• 5
• 8
• 15