*Question*
Q: What kind of compounds contain positively and negatively charged ions in a ratio that results in an overall charge of zero? Choices: - neutral compounds - zero charged compunds - zeronic ions - ionic compounds A:
**Answer**
ionic compounds

*Question*
Q: What do you call the fixed point of a lever? Choices: - base - caliper - apex - fulcrum A:
**Answer**
fulcrum

*Question*
Q: What describes how much matter is in a certain amount of space? Choices: - volume - mass - viscosity - density A:
**Answer**
density

*Question*
Q: Each atom has a required number of what? Choices: - matrix bonds - accretion bonds - acceleration bonds - covalent bonds A:
**Answer**
covalent bonds