Periodic Table, Elements, Compounds, Mixtures

A pure substance...

• is an element or a compound

• is an element or a mixture

• is a compound or a mixture

• is a mixture

Tags

NGSS.MS-PS1-1

Can an element be broken down into a simpler substance 

• yes 

• No

compounds are chemically bounded together 

• False

• true

• I don't know?

Are there any compounds on the periodic table 

• yes there are many 

• no because only elements are on the periodic table

• I think they are?

Tags

NGSS.MS-PS1-1

Each column in the periodic table is called a 

• period

• group

• cluster

• unit

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

How many neutrons are in a Gold atom?

• 79

• 196

• 118

• 275

Tags

NGSS.MS-PS1-1

How many electrons does a Copper atom have?

• 63

• 29

• 92

• 34

Tags

NGSS.MS-PS1-1

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

The positive particles of an atom are 

• electrons 

• positrons 

• neutrons 

• protons