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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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Are you ready for your test? #chemistry #grade10science
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Which of the following metals are the most reactive?
sodium
lithium
potassium
rubidium
2
What is the chemical formula for disulfur dichloride?
S2Cl2
SCl2
SCl
2S2Cl
3
An ionic bond is an electrostatic attractive force between
a cation and an anion
a metal and a non-metal
2 metals
2 non-metals
4
How many elements are there in 6 H
2
O?
6
18
2
3
5
The sharing of outer electrons between non-metals results in...
covalent bond
love
ionic bond
polyatomic ions
6
Which of the following are diatomic elements?
Cl, Br, S, He
H, Ne, He, Xe
O, F, H, Cl
O, S, N, F
7
What is the chemical formula for magnesium sulfate?
MgSO4
MgS
Mg4(SO)2
Mg2(SO4)2
8
What is the chemical formula for dinitrogen pentoxide?
N2O3
N2O5
N5O2
2N5O
9
When a compound is aqueous, it means the compound is
covalent
neutral
dissolved in water
blue
10
What group of elements are very unreactive?
alkali metals
noble gases
alkali earth metals
halogens
11
The coefficient in front of H
2
when N
2
+ H
2
→ NH
3
is balanced is
4
1
2
3
12
The most reactive metal group in the periodic table is...
the alkali-earth metals
transition metals
the alkali metals
heavy metals
13
When we balance chemical equations, we are obeying
the Law of Conservation of Mass
our parents
the Law of Conversation of Atoms
the Law of Conservation of Energy
14
How many atoms are in the compound Mg
3
(PO
4
)
2
?
3
10
12
13
15
What is the chemical formula for sodium sulfide?
Na2S
So2S
NaS2
NaS
16
Which of the following is an indicator that a chemical change has occurred?
Formation of precipitate
Change in state
All of the above
Change in shape
17
I feel ___________for grade 11 chemistry!
really excited
ready
excited
unready
18
What is the chemical formula for ammonium nitrate?
none of the above
NH3NO4
NH4NO3
NO3NH4
19
The coefficients in front of H
2
O when H
2
SO
4
+ Pb(OH)
4
→ Pb(SO
4
)
2
+ H2O is balanced is:
4
3
2
1
20
What is the chemical name for AlBr
3
?
aluminium bromide
aluminium tribromine
aluminium bromine
aluminium tribromide
21
What is the name for NH
3
?
Nitrogen hydride
Trinitrogen hydrogen
ammonia
Nitrogen trihydride
22
Which of the following is the correct Lewis Diagram for Carbon?
III
IV
I
II
23
Which of the following is an example of a physical change?
Molding clay
Boiling water
Cutting paper
All of the above
24
A compound held together by ionic bonds is called
none of the above
Covalent compound
Molecule
Ionic compound
25
"Hydrogen gas + Oxygen gas → liquid water" is an example of a(n)
Word Equation
Balanced Equation
Skeleton Equation
Unbalanced Equation
26
Nitrogen gas + Hydrogen gas → Ammonia is an example of what type of reaction?
Synthesis
Combustion
Decomposition
Displacement
27
What is the chemical name for Be
3
(PO
4
)
2
?
Beryllium phosphorus oxide
Beryllium phosphorus tetroxide
none of the above
Beryllium phosphate
28
When doing a lab, it is good practice for the chemist to...
do all of the above
tie long hair back
wear sunglasses to protect their eyes
wear open toe shoes
29
Which of the element would be a halogen?
Y
Z
W
X
30
I never need to wear goggles if I wear glasses.
False
True
