Atomic Structure Quiz - 7th Grade

Which of the following are ionic compounds? Select all that apply. Remember! Ionic Bonds are formed if there is at least one metal and one nonmetal atom Covalent Bonds are formed if there are only nonmetal atoms

• K₃N
• MgS
• NaCl (lowercase L)
• HF
• C₃H₈

Which of the following have only covalent bonds? Select all that apply. Remember! Ionic Bonds are formed if there is at least one metal and one nonmetal atom Covalent Bonds are formed if there are only nonmetal atoms

• HF
• C₃H₈
• H₂O₂
• K₃N
• MgS

What is an ion?

• an atom that has gained or lost an electron
• an atom with the same number of protons but a different number of neutrons
• an atom that has made a bond

In an ionic bond, which atom donates the electrons (-)?

• non-metals
• gasses
• metals
• metalloids

A negatively charged ion

• cation
• anion
• nucleus
• atoms

A positively charged ion

• cation
• anion
• nucleus
• atoms