Chemical Bonds GN

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

Why do elements bond?

• To be friends
• To create a new element
• To become stable

Tags

NGSS.HS-PS1-1

Covalent bond forms between....

• Nonmetals
• Metals
• Nonmetal and a Metal
• Metal and a Nonmetal

If an atom gains an electron, what charge will it have?

• positive

• negative

• neutral

This type of bond is when atoms share electrons.

• ionic

• metallic

• covalent

• polar

Ionic bonds are between...

• nonmetals and nonmetals
• carbon and oxygen
• metals and nonmentals
• hydrogen and chlorine

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

Tags

NGSS.HS-PS1-1

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

• 2

• 4

• 6

• 8

How many valence electrons does Oxygen (O) have?

• 6

• 8

• 15

• 16

Tags

NGSS.MS-PS1-1

An ionic bond is the attraction between:

• oppositely charged ions
• similarly charged ions
• neutral ions
• neutral atoms