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?

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-3

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