Atoms
What is all matter made of?
Atoms
What is an element?
A substance made of only one type of atom
Which group contains the noble gases?
8 or 0
Is Carbon an example of a Metal element?
True or False
False
What is a compound?
Two or more different atoms or substances chemically joined together
Name the three particles found inside an atom.
Electrons, Protons and Neutrons
About how many elements are in the periodic table?
Over 100
Which group contains the halogens?
7
Are metals found on the left or right side of the periodic table?
Left
What is a mixture?
Two or more substances mixed together but not chemically joined
Which particle has a positive charge?
Protons
The periodic table is arranged in order of increasing __________ number.
Atomic
Which group contains the alkali metals?
1
Are non-metals found on the left or right side of the periodic table?
Right
Which method could be used to separate salt from water?
Evaporation
Which particle has no charge?
Neutrons
Each element has three things. Name them.
Name, Symbol and a Number
What are the horizontal rows called?
Periods
Which element is a non-metal but sits on the left side of the periodic table?
Hydrogen
Which method could be used to separate iron filings from water?
Filtration
Why are atoms normally neutral?
Because atoms have the same number of protons and electrons
What elements is this compound made of?
Potassium nitrate
Potassium nitrate
Potassium + Nitrogen + Oxygen
What is the name of this compound?
lithium + fluorine
Lithium fluoride
Bromine is actually the only nonmetal element that exists as a liquid under normal conditions.
True or False
True
Name the compound made from Sodium + Sulfur + Oxygen
Name the compound formed from Calcium + Bromine
Sodium sulfate
Calcium bromide