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Grade 10 Chemistry Review Flashcards | StudBud
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Grade 10 Chemistry Review
Grade 10 Chemistry Review
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Grade 10 Chemistry review.
Flashcards
30 cards
F
Practice quiz
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Host live
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Questions
30
Answers
1
Ammonium sulfate (NH
4
)
2
SO
4
has _____ total atoms.
10
15
13
14
2
A neutral sulfur atom has _____ electrons.
16
32
2
6
3
The atomic mass of an atom is made up of:
protons + electrons + neutrons
protons + electrons
electrons + neutrons
protons + neutrons
4
Is this equation balanced? 2Na + O
2
--> Na
2
O
yes
no
5
Magnesium is a(n):
noble gas
halogen
alkali metal
alkaline earth metal
6
The formula for magnesium nitride is:
Mg3N2
MgN
Mg2N3
MgN2
7
Atoms that contain a charge are called
metals
nobel gases
ions
non-metals
8
H
3
PO
4
is called:
hydrogen phosphide
phosphoric acid
hydrogen phospho-oxide
trihydrogen phosphate
9
C
2
H
6
is called:
monocarbon tetrahydride
dicarbon hexahydride
carbonic acid
carbon hydride
10
What is Aluminum's ionic charge?
-3
+3
+13
-5
11
NaCl + LiF --> NaF + LiCl is a _______________ reaction.
decomposition
double displacement
synthesis
single displacement
12
Neutralization reactions occur between:
metals and bases
non-metals and metals
acids and oxygen
acids and bases
13
H
2
CO
3
--> H
2
O + CO
2
is a ________________ reaction.
combustion
single displacement
decomposition
synthesis
14
Which of the following atoms has more than one ionic charge?
zinc
radium
silver
lead
15
Na
2
S is called:
sodium sulfide
sodium sulfate
none are correct
disodium monosulfide
16
Two non-metals will bond ___________
metallically
two non-metals will never bond
covalently
ionically
17
An acid with a pH of 4 is _____x more corrosive than an acid with a pH of 6.
10
1000
100
20
18
The formula for gallium hydroxide is:
Ga(OH)3
GaOH
GaOH3
Ga3OH
19
C
2
H
6
+ O
2
--> H
2
O + CO
2
is a __________________ reaction.
neutralization
endothermic
combustion
double displacement
20
Combustion reactions always produce
carbon dioxide and water
a base and water
Helium and water
a salt and water
21
Valence electrons are always found on the:
third electron shell
outermost electron shell
first electron shell
second electron shell
22
The formula for gold (III) oxide is:
AuO
AuO3
Au3O2
Au2O3
23
Which of the following is an ionic compound?
H2O
O5F3
NaCl
He
24
Which of the following pH values is closes to neutral?
13.9
6.1
7.4
2.3
25
This is a Bohr diagram for:
boron
silicon
gallium
aluminum
26
How many valence electrons does chlorine have?
7
17
1
35
27
The formula for disulfur hexaphosphide is:
S6P2
S2P6
S2P5
S5P2
28
Ba(OH)
2
is called:
barium dihydride
barium hydroxide
barium oxate
barium hydro-oxygen
29
Lemon juice is a(n):
acid
neutral substance
flammable substance
base
30
Acids are associated with what ion?
OH-
CO3
H+
none of these