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WorksheetsSpring MAP Activity
Total questions: 93
Worksheet time: 1hrs 10mins
Which of the following is an element?
potassium chloride (KCl)
water (H2O)
carbon (C)
calcium carbonate (CaCO3)
Changing the state of water from ice melting into water is a
catalyst
physical change
chemical change
Precipitate
The substances at the end of a chemical reaction
product
reactant
change
precipitate
Which of the following is a compound?
zinc (Zn)
magnesium (Mg)
sodium chloride (NaCl)
potassium (K)
How many atoms of O in CO2
2
1
0
3
The number of substances at the beginning of a reaction
Molecules
Reactants
products
catalysts
How many hydrogen atoms are in 2H2+O2?
2
4
6
1
Determine whether the following equation is balanced or unbalanced. H2 + Br2 ---> 2HBr
Balanced
Unbalanced
The number written next to an element in the bottom corner
subscript
catalyst
chemical change
temperature
The number of substances at the beginning of a reaction
Molecules
Reactants
products
catalysts
The change of a substance into a completely new substance
catalyst
chemical change
physical change
surface area
Determined whether the following equation is balanced or unbalanced. Ag + O2 ---> 2Ag2O
Balanced
Unbalanced
Determine whether the following equations is balanced or unbalanced. H4 + O2 ---> 2H2O
Balanced
Unbalanced
Is a copper penny turning greenish after a few years a chemical or physical change?
Chemical Change
Physical Change
In order for an equation to be balanced, there must be ...
an equal amount of atoms on both sides
a greater mass on the product side
a greater mass on the reactant side
elements with the same atomic # on both sides
How many total atoms are in this compound? Al2O3
2
5
6
3
Which of the following is a mixture?
Saltwater
Carbon dioxide (CO2)
Iron (Fe)
Glucose (C6H12O6)
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
The vertical (up and down) columns in the Periodic Table are called
groups
towers
periods
atomic numbers
Helium
He
H
El
Li
He
Helium
Hydrogen
Hermium
Help me! pls?
Boron
B
Bo
Br
Be
Phosphorus
P
Pt
Ph
Po
Br
Bromeme
Baron
Bromine
Bismuth
Zn
Zinc
Sink
Bismuth
Zoinks
Cs
Cesium
Chlorine
Carbon
Bismuth
Bi
Bismuth
Boron
Barium
Bimath
Rn
Radon
Radium
Rhodium
Bismuth
Ra
Radium
Radon
Rhodium
Bismuth
C
Carbon
Chlorine
Copper
Calcium
F
Flourine
Bismuth
Flerovium
Francium
Ar
Argon
Aluminum
Arsenic
Bismuth
Krypton
K
Ky
Kp
Kr
Barium
Ba
Bi
B
Br
Uranium
U
Ue
Ur
Ua
H
Hydrogen
Helium
Bismuth
Hassium
Neon
Ne
No
N
Nn
Aluminium
Al
A
Au
Am
Magnesium
Mg
Ma
M
Mn
Chromium
Cr
Cd
C
Co
Ti
Titanium
Tungsten
Bismuth
Na
Sodium
Magnesium
Nitrogen
Bismuth
Calcium
Ca
C
Cl
Cc
Iron
Fe
K
Ir
Xe
Copper
C
Cu
Co
Cp
Pb
Lead
Peanut Butter
Phosphorous
Bismuth
Gold
Au
Ag
G
Bi
Silver
Ag
Au
Si
Sl
Mercury
Hg
Me
M
Sn
change of odor
precipitate formation
What is a chemical equation?
Describes the number of elements in a compound.
One or two letters that represent the elements on the periodic table.
The number to the lower right of an element that shows the number of atoms bonded.
A written description of a chemical reaction.
Identify the number in blue.
Product
Reactant
Coefficient
Subscript
A_________is an expression that uses symbols to show the relationship between the starting substances and the substances that are produced by a chemical reaction.
Chemical formula
chemical change
chemical reaction
chemical equation
Evidence of a chemical change
A color change
A change in odor
Precipitate formation
Gas bubbles
transformation
When writing a chemical equation:
You must be sure that the reactants and products contain different number of atoms of each element.
You must be sure that the reactants and products contain the same number of atoms of each element.
Which formulas below have coefficients of 4? Check all that apply.
4CO2
4CH4
4H2O2
4Br3
3H2O
Which image below matches this chemical formula?
In ENDOTHERMIC reactions, energy is _____ by the reaction system from the surroundings.
Absorbed
Released
Eliminated
Obliterated
In EXOTHERMIC reactions, energy is _____ from the reaction to the surroundings.
Absorbed
Released
Eliminated
Evaporated
Temperature usually _____ in EXOthermic reactions.
Stays the same
Increases
Decreases
Cooking and baking are _____ reactions.
EXOthermic
ENDOthermic
The starting temperature of a reaction was 21 degrees Celsius and the ending temperature was 44 degrees Celsius. What type of reaction occurred?
EXOthermic
ENDOthermic
Which of the following is a common sign that a chemical change has occurred?
A chemical has turned a different color, bubbled, and/or changed temperature.
A chemical has changed to a different state of matter, such as a liquid to a solid.
A chemical has changed size.
A chemical has become a different shape.
When we investigate the rate of reaction we are looking at the...
amount of product formed
speed of reaction
concentration of reacting particles
combining reactants with products
How could we make this reaction happen more quickly?
Decrease the concentration of the acid
crush the chalk to increase the surface area
Put the test tube in an ice bath
As the frequency of ______________ increases, the rate of reaction increases.
Time
Reactions
Collisions
Reactants
Icing sugar has a greater ______ _____ than a solid cube of
sugar.
Surface Area
Catalyst
Temperature
animals
plants
trees
all of the above
