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Grade 9 Chemistry review Flashcards | StudBud
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Grade 9 Chemistry review
Grade 9 Chemistry review
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A #chemistry review for #SNC1D. Use your periodic table during this Quiz!
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
The name for NO
2
is
Nitrogen oxide
Oxygen dinitride
Nitrogen dioxide
Dinitrogen oxide
2
How many valence electrons does Oxygen have?
8
2
6
4
3
How many protons does Lithium have?
2
3
4
1
4
Where should computer cords and backpacks be kept?
Off the floor in a designated location
On the lab bench
Next to a student desk
On a student desk
5
What is the correct name for BeCl
2
Beryllium chloride
Beryllium carbide
Beryllium chlorine
Beryllium dichloride
6
Na is the symbol for
Nickel
Nitrogen
Neon
Sodium
7
The symbol for Potassium is
P
Po
K
Pt
8
This is an image of a stock bottle and a sample. When finished your experiment, remember to...
Dispose of sample in waste container provided by teacher
Dispose of sample down the sink
Put sample back into stock bottle
Leave everything where it is
9
What is another name for NaCl? (more than one answer is possible)
table salt
Sodium carbide
Sodium chloride
Nitrogen chloride
10
All of the elements in one group have this in common:
They are in the same period
Same number of valence electrons
Exist in same state of matter
They are in the same column
11
Two isotopes of carbon differ in terms of the number of
Neutrons
Protons
Atoms
Electrons
12
Fluorine and lithium
Are in the same period
Have the same charge
Are in the same group
Have the same number of valence electrons
13
Which tool should be used to burn material in a flame?
centre tool
all tools
left tool
right tool
14
Which of the following is an ionic compound? (More than one answer is possible)
CCl4
CaI2
MgO
CO2
15
Which of the following is a molecular compound? (More than one answer possible)
MgBr2
Potassium oxide
Carbon dioxide
O2
16
Which of these should be used to hold a beaker?
right tool
centre tool
all tools shown
left tool
17
Which of the following is the correct ion of bromine?
Be2+
Br
Br1-
Br35
18
This image represents
A Lewis dot diagram of Rhodium
A Bohr-Rutherford diagram of Rhodium
A Lewis dot diagram of Bromine
A Bohr-Rutherford diagram of Bromine
19
Which of these is false?
Student should never smell any chemicals
Student is wafting chemical correctly
Student is not wearing correct protective clothing
Student is wearing correct eye protection
20
How many valence electrons does Hydrogen have?
1
4
2
3
21
This compound is
not.
..
Dihydrogen oxide
Ionic
Water
Molecular
22
Which is the correct formula for aluminum chloride?
AlC3
AlCl3
ACl
AlCl
23
How many atoms of hydrogen are present in this compound?
4
3
1
2
24
How many electrons in total does Phosphorus have?
31
12
15
3
25
Which is the correct formula for sulfur trioxide?
3SO
SO3
SrO3
S3O
26
The name of the tool at right is
Tongs
Forceps
Test tube clamp
Beaker clamp
27
Potassium and chlorine produce...
PCl
KCl
PCl2
KCl2
28
How many neutrons does Hydrogen have?
3
2
1
0
29
How many valence electrons does Magnesium have?
2
3
1
4
30
All of the elements in one period have this in common:
Exist in same state of matter
Same charge
Same number of energy levels
Same number of valence electrons
