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