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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
nitrogen and oxygen
B
oxygen and carbon
C
aluminum and silicon
D
hydrogen and oxygen
2) Pure substance made of one kind of atom and CANNOT be broken down is
A
mixture
B
element
C
compound
D
atom
3) What holds compounds together?
A
duct tape
B
chemical bonds
C
physical bonds
D
rope
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
coefficient
B
compound
C
product
D
subscript
7) What are the most common elements in the Earth's crust?
A
nitrogen and oxygen
B
hydrogen and oxygen
C
aluminum, silicon, oxygen
D
hydrogen and helium
8) A combination of chemical symbols used to represent a compound
A
chemical reaction
B
chemical sentence
C
chemical equation
D
chemical formula
9) Only ______________ are found on the periodic table.
A
compounds
B
elements
C
mixtures
D
formulas
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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