Elements

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Tags

NGSS.HS-PS1-1

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

Which is the correct formula for:
one carbon (C)
two oxygen (O)

• CO₂
• CO
• C₂O
• 2CO

Tags

NGSS.MS-PS1-1

How many elements are in H₂O?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

Tags

NGSS.HS-PS1-1

What is Fe₂O₃
(rust) made up of?

• 1 flourine, 2 einsteinium,
  3 oxygen
• 2 fluorine, 3 oxygen
• 2 iron, 3 oxygen
• 2 iron, 3 osmium

Tags

NGSS.MS-PS1-1

If you have a material that can conduct electricity well it is probably a...

• Metalloid
• Matter
• Non-metal
• Metal

Tags

NGSS.HS-PS1-1

I can be drawn into wires

• Malleable

• Ductile

• Luster

• Conductor

________ are the COLUMNS on the periodic table and are organized by similar properties.

• Classifications
• Groups
• Periods
• Elements