Bonding Intro Quiz / Test

When an atom loses a valence electron, it becomes a(n) _________ion.

• positive 
• negative

Calcium Oxide, CaO

• Covalent Bond

• Ionic Bond

Calcium Chloride, CaCl₂

• Covalent Bond

• Ionic Bond

Why do ionic bonds form?

• so the number of protons equals the number of electrons

• to fill the outermost energy level to make the atom stable

• so an atom can become unstable

if NONMETALS are more likely to GAIN electrons, they will form ...

• anions

• neutral atoms

• cations

What element always has an oxidation number of +1?

• Hydrogen
• Fluorine
• Chlorine
• Iodine

A(n) _________ is an ion with a positive (+) charge.

• anion

• cation

• ion

• solute

What two types of atoms make a covalent bond?

• 2 non-metals

• 1 metal and 1 non-metal

• 2 metals

SiCl₄

• silicon tetrachloride
• silicon quadchloride
• monosilicon tetrachloride
• silicon chloride

What is the name of N₂O₃

• Nitrogen trioxide
• Dinitrogen oxide
• Dinitrogen trioxide
• Nitrogen oxide