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Elements And Compounds
Test Description: Vocab quiz
Instructions: Answer all questions to get your test result.
1) What are the most common elements in the oceans?
A
aluminum and silicon
B
nitrogen and oxygen
C
oxygen and carbon
D
hydrogen and oxygen
2) Pure substance made of one kind of atom and CANNOT be broken down is
A
compound
B
element
C
atom
D
mixture
3) What holds compounds together?
A
chemical bonds
B
physical bonds
C
rope
D
duct tape
4) Pure substance made up of two or more kinds of elements that have been chemically joined.
A
compound
B
element
C
reaction
D
mixture
5) Smallest part of a compound is a
A
molecule
B
proton
C
quark
D
atom
6) Atom is to element as molecule is to
A
coefficient
B
subscript
C
compound
D
product
7) What are the most common elements in the Earth's crust?
A
aluminum, silicon, oxygen
B
hydrogen and oxygen
C
nitrogen and oxygen
D
hydrogen and helium
8) A combination of chemical symbols used to represent a compound
A
chemical equation
B
chemical sentence
C
chemical reaction
D
chemical formula
9) Only ______________ are found on the periodic table.
A
compounds
B
mixtures
C
formulas
D
elements
10) The most common elements in the atmosphere are
A
hydrogen and oxygen
B
silicon and oxygen
C
hydrogen and helium
D
nitrogen and oxygen
*select an answer for all questions
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