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Chemical Formula And Equations Vocabulary I
Test Description: Vocabulary
Instructions: Answer all questions to get your test result.
1) Chemical formula
A
written expression of a compound using letters and symbols
B
symbols expressing the division of a nucleus
C
a form of an atom
D
nuclear fusion
2) Coefficient
A
little number following the compound or element
B
little number in front of the compound or element
C
big number in front of the compound or element
D
big number following the compound or element
3) Subscript
A
big number in front of the element
B
little number following the element
C
big number following the element
D
little number in front of the element
4) Coefficient
A
determine the number letters in the formula
B
determine the number of protons in the compound
C
determine the number of molecules of the compound
D
determine the number of atoms of the element in the compound
5) Subscript
A
determine the number of protons of the element
B
determine the number of nuclei of the element
C
determine the number of atoms of the element
D
determine the number of molecules of the element
6) Compound
A
2 or more protons
B
two or more capital letters
C
less than one capital letters
D
2 or less protons
7) Element
A
one capital letter
B
less than one proton
C
more than one capital letter
D
more than one proton
8) Compound
A
Cl
B
NaCl
C
Ag
D
B
9) Element
A
CH
B
P
C
CO
D
NaSOH
10) Compound
A
Hg
B
NaSOH
C
Ga
D
Mg
11) Protons identify...
A
the electron clouds
B
the nucleus
C
the element
D
the neutrons
12) Elements on the periodic table are represented by
A
an electron cloud
B
a nucleus and the center contains protons
C
a mass number and protons are included
D
a symbol and first letter is capitalized
13) Evidence of a chemical change
A
electrical charge
B
permanent color change
C
mixture
D
electron cloud
14) Precipitate..
A
mixture in a chemical reaction
B
cloudy substance in a chemical reaction
C
bubbles in a chemical reaction
D
rain, sleet or snow in a chemical reaction
15) Chemical reaction
A
an electrical change that dissolves into a different substance
B
a positive charged element that reacts to form a negatively charged element
C
a physical change that mixes together
D
chemical change when two or more substances react to form a new substance
16) Evidence of a chemical reaction
A
physical change that evaporates
B
mixture that dissolves
C
formation of bubbles
D
breaking of a colored pencil
17) Evidence of a chemical reaction
A
fireworks laying on the ground
B
fireworks debris landing in the water
C
picking out your favorite firework show
D
fireworks exploding in the sky
18) Physical change
A
creating french toast from old bread
B
spreading butter on toast
C
burning toast
D
frying dough to make donuts
19) Reactant
A
the beginning of a chemical reaction; the left side of the yield
B
the middle of the chemical reaction; left side of the yield
C
the end or result of a chemical reaction; right side of the yield
D
the flow of a chemical reaction
20) Product
A
the beginning of the reaction; right side of yield
B
the middle of the reaction; right side of yield
C
the flow of the chemical reaction
D
result or end of reaction; right side of yield
*select an answer for all questions
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