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Gr 9 Chemistry Unit Test Review Flashcards | StudBud
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Gr 9 Chemistry Unit Test Review
Gr 9 Chemistry Unit Test Review
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#Grade 9 Science, # science, # chemistry, # grade 9
Flashcards
37 cards
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Practice quiz
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Questions
37
Answers
1
What is the atomic # of Nitrogen?
3-
14
7
3
2
what element is this?
neon
oxygen
sodium
fluorine
3
What element has 26 protons?
aluminum
iron
chromium
gallium
4
What is this ion?
magnesium
nitrogen
oxygen
aluminum
5
which of the following is a chemical change?
a light bulb turning on
2 paint colours being mixed
an egg cooking on a stove
water boiling
6
What movie should Mr. Lehan go see in theatres this week?
fantastic beasts and where to find them
arrival
dr. strange
bad santa 2
7
What group is this?
halogens
actinides
noble gasses
transition metals
8
What charge does an aluminum ion have?
3+
3-
27
13
9
Elements become ions so they have:
a fun story to tell
a full valence shell
the same number of protons and electrons
a full nucleus
10
how many electrons are found in calcium?
18
40
2
20
11
how many neutrons does plutonium have?
6+
244
94
150
12
What is the number of protons in fluorine?
1-
19
9
10
13
how many neutrons does Berylium have?
2
9
5
4
14
what ion is this?
sulphur
neon
magnesium
oxygen
15
All noble gasses have:
more electrons than protons
a full valence shell
3 orbital shells
no neutrons
16
how many electrons are found in an ION of calcium?
20
18
2
40
17
Which of the following is
NOT
a part of the particle theory?
particles that are gasses are lighter than liquid particles
All particles have spaces between them
all matter is made of tiny particles
particles of one pure substance are all the same
18
How many protons are found in Argon?
22
40
39.95
18
19
What is the highlighted group called?
metalloids
metals
nonmetals
noble gasses
20
These are found in the nucleus
valence electrons and protons
protons and neutrons
neutrons and electrons
protons and electrons
21
what element is this?
chlorine
oxygen
neon
fluorine
22
What is the atomic number of Calcium?
40.66
20
2+
21
23
what ion is this?
chlorine
sulphur
seriously? it's oxygen. we just did this one! sheesh
magnesium
24
What group is this?
halogens
alkaline earth metals
metalloids
alkali metals
25
Which of the following compounds contains a polyatomic ion?
iron (III) sulfide
NaMnO4
NaCl
H2O
26
These are atoms with an unusual # of neutrons
multivalent elements
ions
isotopes
polyatomic ions
27
what element is this?
boron
silicon
carbon
aluminum
28
When particles have so much energy that they fly past each other, the substance is:
a gas
a liquid
a plasma
a solid
29
what ion is this?
oxygen
fluorine
neon
sodium
30
Which of the following is a pure substance?
H2O
Hydrogen gas
all of these are pure substances
NaCl
31
How many electrons are in silicon?
4
14
7
28
32
When salt is dissolved in water, it becomes a:
a solution
an alloy
heterogeneous mixture
a compound
33
When a particle changes from a liquid to a gas, it is:
condensing
freezing
evaporating
melting
34
This model was developed to explain the spectral lines seen in light
the periodic table
Bohr model
Derek Zoolander
raisin bun model
35
How many multiple choice questions does your upcoming test have?
35
13
20
22
36
Which of the following is an ionic compound?
H2O
CO2
HCl
NaCl
37
How many neutrons does boron have?
6
4
5
11
