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