Chapter 7.1-7.2 Review

The 3 types of chemical bonds are ________, ________, and ______. (Choose 3)

• ionic

• valence

• covalent

• metallic

• atomic

A bond between two nonmetal atoms is a __________ bond.

• ionic

• nuclear

• metallic

• covalent

Which of the following describes covalent bonds?

• Bonds form because of opposite charges

• electrons are shared to fill outer electron shells

• Electrons are transferred between atoms

• Covalent bonds are magical

Covalent bonds are between...

• two or more nonmetals
• sodium and chlorine
• metals and metals
• metals and nonmetals

Ionic bonds form between ---

• nonmetals.

• metals and nonmetals.

Which compound has high melting point?

• Ionic

• Covalent

The octet rules states that most elements want to have _____ valence electrons.

• 2

• 4

• 6

• 8

This refers to the tendency of atoms to prefer to have eight electrons in the valence shell

• Octet rule

• Valence electron

• Electronegativity

• Lewis symbol

Why do elements bond?

• To be friends

• To create a new element

• To become stable

• To get bigger

Most elements form a more stable form of matter when they ___________________.

• become a liquid

• become a gas

• avoid all other elements

• combine with other elements