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WorksheetsScience 8 SOL Review
Total questions: 20
Worksheet time: 5hrs 0mins
What is an element?
A pure substance composed of two or more chemicals
A pure substance that can't be seperated
A combination of two or more pure substances
None of the above
A compound is made up of..
Three or more solutions
Two or more mixtures
Two or more elements
One element
What is a mixture?
A solvent
A solution
Two or more substances that are chemically combined
A combination of two or more pure substances. Not chemically combined
What is a solution?
A very well-mixed mixture. Same properties throughout
Has different properties throughout
What is the purpose of a solute?
The part that does the dissolving
It's the part of the solution being dissolved
What is the purpose of a solvent?
The part being dissolved
The part of the solution that does the dissolving
Which are examples of acids?
Sour taste
Slippery
Produces hydrogen ions in water
Dissolves fats and oils
Which are examples of a base?
Slippery
Turns blue litmus paper red
Sour
Bitter
Which numbers on the pH are acidic?
7-14
0-6
0-3
4-7
Which numbers on the pH scale are bases?
0-10
2-7
5-10
8-14
What color labels Alkali Metals?
Blue
Green
Purple
Light Orange
What color labels transition metals?
Green
Purple
Blue
Pink
What color labels halogens?
Blue
Light green
Green
Pink
What color represents noble gases?
White
Blue
Light Orange
Orange
What color labels metalloids?
Pink
Orange (touching the zig zag line)
White
Blue
What color labels non metals?
Orange
Blue
Pink
Purple
He confirmed the existence of the neutron.
John Dalton
Ernest Rutherford
James Chadwick
J.J. Thomson
He developed the beginnings of the modern atomic theory in the 1800's
John Dalton
Democritus
Rutherford
Dalton
Found the presence of atoms and named them "atomos"
Chadwick
Democritus
Thomson
Rutherford
Discovered that the atom is mostly empty space
Democritus
Chadwick
Thomson
Rutherford
