Label the following parts of a chemical formula & the type of compound at the top

d

e

f

a

element

coefficient

covalent

superscript

subscript

ionic

Represents the oxidation number or how many electrons are lost or gained.

• Subscript

• Superscript

• Ionic

• Covalent

Tags

NGSS.HS-PS1-2

You should do what with the coefficient and the subscript of an atom

Ex: 2H₂O

• Add

• Subtract

• Multiply

• Divide

An Ionic Bond is which of the following

• Loses or gains electrons

• Shares electrons

• Between metal & Non-metals

• Forms multiple bonds

• Forms between opposite charges

A covalent Bond is which of the following

• Between non-metal & non-metal

• Shares electrons

• Between metal & Non-metals

• Forms multiple bonds

• Forms between opposite charges

Tags

NGSS.MS-PS1-1

Why do elements bond?

• To gain new properties

• To create a new element

• To become stable

• To get bigger

What kind of bond forms when atoms exchange electrons?

If an atom gains a negative electron it becomes more

If an atom losses a negative electron it becomes more

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