Chemical Bonds, Chemical Equations, and Naming

What kind of bond forms when atoms exchange electrons?

• ionic

• covalent

• artificial

• univalent

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

Chemical bond is ...

• the physical mixing of two different atoms.

• the force that holds two atoms together

• the energy used up when two atoms combined.

• the temperature that changes the phase of matter.

Tags

NGSS.HS-PS1-1

Why do elements bond?

• To be friends

• To create a new element

• To become stable

• To get bigger

The name of FeCl₂ is

(a)  

• iron (II) chloride

• iron chloride

• iron (I) chloride

• iron dichloride

Which of these is not a real bond in chemistry?

• James

• Ionic

• Covalent

• Metallic

Tags

NGSS.MS-PS1-5

Ionic bonds are between...

• nonmetals and nonmetals

• carbon and oxygen

• metals and nonmentals

• hydrogen and chlorine

Covalent bonds are between...

• two or more nonmetals

• sodium and chlorine

• metals and metals

• metals and nonmetals

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

• 2

• 4

• 6

• 8

Predict the bond that will form between Be and F.

• Ionic

• Covalent

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2