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Gaynor's Student Made ChemistryReview Flashcards | StudBud
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Gaynor's Student Made ChemistryReview
Gaynor's Student Made ChemistryReview
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A review of Metals, Nonmetals, Metalloids, Periodic Table, Chemical and Physical Changes
Flashcards
65 cards
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Practice quiz
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Host live
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Questions
65
Answers
1
How do you know that H
2
O
2
is a compound?
All of these
It has subscripts
It has a 2 in it
It has more than 1 capital letter
2
Which answer would fit under chemical changes?
Baking Bread
Painting a fence
Steam from boiling water
Clay being molded into a new shape
3
When a physical change occurs, substances can never be changed back to their original form.
True
False
4
Which of the following is/are physical properties?
Cutting something
malleability
Luster
Both luster & malleability
5
A compound formula must have what?
At least 3 capital letters
More than 1 lowercase letter
At least 2 capital letters
All lowercase letters
6
Billy is examining compounds under a microscope. What should he do if it gets in his eyes?
Go straight to the eyewash station and rinse your eyes
Wipe it with a paper towel & then go to the eyewash station
Get a wet napkin and wipe the eyes
Ask your friend to wipe it off
7
What is the difference between slicing bread and a nail rusting?
Slicing bread-chemical change; nail rusting-physical change
Slicing bread-physical change; nail rusting-chemical change
Slicing bread and a nail rusting are both chemical changes
Both are physical changes
8
Where are metals, nonmetals, and metalloids located on the periodic table? (in that order)
Right, left, zig-zag line
Zig-zag line, right, left
Left, right, zig-zag line
Zig-zag line, left, right
9
Which of the following would describe iron?
nonmalleable
brittle
semi-conductor
conductor of heat & electricity
10
Chemical changes are easily reversed.
Yes
No
11
Which of the following is
NOT
a chemical change?
Change in temperature
dissolving in a liquid
Formation of a new substance
Gas produced
12
Which of the following is a correctly written compound?
h2o
pO43
c6H3
C2H5
13
If an object is ductile & malleable, but very dull, is it a metal, nonmetal, or metalloid?
metalloid
metal
nonmetal
14
Which element is most abundant in Earth's crust?
Alumimum
Iron
Silicon
Oxygen
15
What are physical properties of an element?
flammability, gas production, new substance formed
magnetism, density, and light being produced
brittleness, luster, malleability, conductivity
16
Is digesting food a chemical or physical change?
Physical
Chemical
Niether
17
Liquid in a beaker fizzed, produced a gas & it changed colors.What indicates a chemical change?
All of these
Fizzing
Color change
Produced a gas
18
Baking a cake, a nail rusting, wood burning and digesting food are all examples of ______.
Chemical properties
Chemical changes
Physical changes
Physical properties
19
Which element would be found on the left side of the periodic table?
Sulfur-very brittle, doesn't conduct heat or electricity
Boron- dull or shiny, malleable or brittle, semi-conductor
Gold-shiny luster, high melting point, very dense
Nitrogen-dull, doesn't conduct electricity, & low density
20
Compounds always have a subscript.
No
Yes
21
Alex is trying to identify an element. It's a solid, can be dull, shiny,malleable or brittle.
Nonmetal
Nonmetalloid
Metal
Metalloid
22
Physical changes include a change in the state of matter, or a change in size or shape.
False
True
23
How many elements could be in a compound?
2
4
All of these
3
24
A color change always means a chemical change.
False
True
25
Which element in the chart has the properties of a nonmetal?
Aluminum
Arsenic
Silicon
Sulfur
26
Which answer choice shows a chemical change?
Tearing a piece of paper
Burning a candle
Slicing bread
An ice cube melting
27
Jeff examined an element. It had excellent conductivity and it was malleable. What is it?
Neon
Kyrpton
Boron
Gold
28
Which element is most abundant in the atmosphere?
Argon
Oxygen
Nitrogen
Hydrogen
29
How many different elements are in this compound, C
18
H
24
N
2
O
6
?
4
50
3
49
30
What would be an example of a chemical change?
A hammer rusting
Tapping a paper on the wall
Writing on a piece of paper
Writing on a white board
31
What is true about compounds?
They always have a subscript
They are made up of one or more elements.
Must be made of 3 or more elements
May have a subscript and is made of 2 or more elements
32
How many elements are in this compound, NaHCo
3
Au?
50 Elements
06 Elements
04 Elements
05 Elements
33
Which answer is
NOT
a compound?
Fe2
ReO
C4F
Cl3I
34
What are some of the physical properties of Iron?
shiny luster, very dense, ductile & malleable
dull or shiny, very high melting point, conductivity
conductivity, brittle, low density, low melting point
solid, semiconductor, dull or shiny
35
Which of the following are traits of metals?
Does't conduct electricity, brittle, and not magnetic
Malleability, magnetism, ductility, & conductivity
Hardness, brittleness, and a semi-conductor
Brittle, semi-conductor and not magnetic
36
Which of the following is a compound?
Ca
OH
N
Cl
37
What is one fact about metals, nonmetals and metalloids?
They are all malleable.
They all have a shiny luster.
They are all used in compounds.
They are all ductile.
38
Which of the following is an example of a chemical change?
A nail rusting
Water turning to steam
Slicing an apple
Crushing a rock into powder
39
Which of the following is
not
an element?
Fe
Cu
S
C12H22O11
40
Where is oxygen found on Earth?
All of these
Ocean
Plants and animals
Earth's crust
41
Holly is using a microscope to examine compounds. what safety equipment will she need?
Heat-resistant gloves and a fire extinguisher
An apron and heat-resistant gloves
A fire blanket and an apron
An eyewash station
42
Physical and chemical changes make a new substance.
False
True
43
Which are examples of chemical changes?
Iron rusting
Cooking an egg
A leaf changing colors
All of these
44
What is a compound?
Two or more elements combined together
It is just one element
Matter mixed with an element
It is an element and density mixed together
45
Oxygen can be found in both Earth's crust and living organisms.
False
True
46
Which formula is correctly written for 1 Oxygen, 2 Hydrogen, 3 Chlorine?
OH3Cl2
OH2Cl3
O2H2Cl3
OH2C3
47
Which is
NOT
a signal that a new substance is being created?
A glass breaking
Production of light
Production of gas
A color change
48
Which of these indicate a chemical change?
Change in temperature
A color change
A substance changing from a liquid to a gas
A color change & change in temperature
49
Which physical property would describe gold?
Very low density
Flammability
Brittleness
High luster
50
Which of the following is a physical property of elements?
Odor
Color change
Temperature change
Luster
51
An unknown object conducts electricity, has high luster and is ductile. What is the substance?
metalloid
compound
metal
nonmetal
52
How many elements are in this compound, C
6
H
12
O
6
?
18
3
24
6
53
Which answer shows a chemical change?
A change in state of matter
A precipitate forms
A change in shape
A change in the size
54
Where is nitrogen most abundant?
Ocean
Atmosphere
Earth's crust
Living organisms
55
If a substance is a semi-conductor, dull and it is malleable, what type of element would it be?
nonmetal
metalloid
compound
metal
56
On the periodic table, what is the order of these types of elements from
right
to
left
?
metals, metalloids, nonmetals
nonmetals, metalloids, metals
metals, nonmetals, metalloids
nonmetals, metals, metalloids
57
Burning leaves is an example of ________.
Chemical changes
Physical changes
58
What is the difference between physical and chemical changes?
Physical change produces a new substance & chemical does not
Both types produce a new substance
Chemical change produces a new substance & physical does not
Physical, nor chemical changes produce a new substance
59
Which of the following would
Not
be a physical change?
Sand turning into glass
Butter melting
Plate breaking into many pieces
Water Evaporating
60
Which element is the most abundant in the ocean?
Silicon
Oxygen
Argon
Hydrogen
61
Which of the following is an example of a chemical change?
steam from water boiling
tearing a piece of paper
cooking an egg
crushing a rock
62
How do you know if there is more than one of the same element in a compound?
There is a subscript
Count all of the lower case letters
Count all of the letters
Count the capital letters
63
What are physical properties of elements?
Properties that can be observed but can't be measured.
Properties that can't be observed but can be measured.
Properties that can't be observed or measured.
Properties that can be observed or measured.
64
Which of the following is
NOT
a chemical change?
Roasting a marshmellow
Cooking an egg
Baking a cake
Cutting bread
65
Which is a physical property of a metalloid?
May be dull or shiny
A good conductor of heat & electricity
Always has a shiny luster
Always very brittle
