HMH Chemistry

Name a product in the chemical equation.
3NaOH + H₃PO₄ → Na₃PO₄ + 3H₂O

• NaOH

• H₃PO₄

• Na

• H₂O

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Compound is a ___ that can be broken down into simple stable substances. Each compound is made from atoms of two or more ___ that are chemically bonded.

• Chemical, Elements

• Substance, Element

• Solid, Chemicals

• Solid, Mixtures

Tags

NGSS.MS-PS1-1

A chemical change/reaction happens when one or more ___ are converted into a different ____

• Mixtures, Elements

• Substances, Elements

• Substances, Substances

• Compounds, Mixture

Tags

NGSS.MS-PS1-2

Matter can be a pure substance or mixture

• True

• False

___ is a measure of the amount of matter.

Tags

NGSS.MS-PS2-2

What are some forms energy can take during physical or chemical changes?

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4

Gold is an example of a(n) 

• pure element

• pure compound

• pure mixture

What does a represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

What does b represent?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

protons

• negative charge, nucleus

• positive charge, shells

• positive charge , nucleus

• neutral charge, nucleus