Nuclear Chemistry worksheets
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a nail rusting
Which is a true statement about this picture?
Water is less dense than sugar syrup
Sugar syrup is more dense than honey
Edible oil is the most dense
Dishwashing liquid is less dense than edible oil
Mass is
The ability of an object to float
The amount of space an object takes up
Descriptions of matter
The amount of matter in an object
Based on these densities, which would be in the middle?
milk - 1.03 g/mL
ice - 0.920 g/mL
mercury - 13.6 g/mL
Milk
Ice
Mercury
Two samples of gold must have the same
volume
density
mass
length
Appearance, texture, and density are classified as
physical properties.
chemical properties.
magnetic properties.
thermal properties.
Why is the following chemical equation not balanced?
H2 + O2 → H2O
each side of the equation has a different number of oxygen atoms
each side of the equation has a different number of hydrogen atoms
each side has the same mass
Is the following equation balanced or unbalanced?
Fe + S → FeS
balanced
unbalanced
What is the part of the chemical equation in green called?
Fe + S → FeS
products
reactants
yield
chemical formula
Balance this equation.
__CH4 + __O2 → __CO2 + __H2O
1,2,1,1
2,1,2,1
1,2,1,2
0,2,0,2
What does Evidence mean?
All scientific data that supports your claim
An opinion
Statement you believe to be true
A statement of an opposing argument
What is a claim?
Answers a question or problem
long and detailed paragraph
Explains why something happened
What does CER stand for?
Create Evaluate Respond
Consider Evidence Relevant
Claim Evidence Reasoning
Cause Examine Real-life
Who discovered the proton?
Thomson
Dalton
Bohr
Rutherford
What element is represented in this Bohr Model?
Carbon
Hydrogen
Aluminum
Lithium
What is the atomic number of this element?
17
18
35
35.453
How many electrons can fit on the 1st energy level (orbital) for any Bohr Model?
2
6
8
10
What are valence electrons?
The innermost electrons
The outermost electrons
How many valence electrons does Carbon have
1
4
Electron dot notation is . . . .
A representation of an element in which only valence electrons of an atom are shown
A representation of how compounds are formed.
Which of these is correct?
How would you draw a Lewis dot diagram for Magnesium?
Which of these is correct?
choose the correct statement
the vertical column in the periodic table is called period
the vertical column in the periodic table is called group
the horizontal row in the periodic table is not called period
none of the above
a row on the Periodic Table of Elements
family
period
row
isotope
a grouping of elements based on similar properties, arranged by columns in the periodic table; also known as a group
family
period
row
isotope
one or two letters that represent the name of an element
element name
element symbol
atomic number
atomic mass
Which color on the image of the periodic table corresponds with the metalloids.
bright yellow
gold
teal
light blue
Which elements are colored red?
nonmetals
metals
metalloids
Which elements are to the LEFT of the zigzag?
metals
nonmetals
metalloids
Using just the valence electrons on each atom determine which 2 atoms should be in the same group.
atom 1 and 2
atom 3 and 4
atom 1 and 4
atom 2 and 3
Which of the following is a trait of group 18?
They are all reactive metals
they are all stable metals
They chemically stable gasses
They are a mix of reactive gasses and solids
Which element is in period 5?
Vanadium
Rubidium
Tungsten
Lithium
How many protons would an atom of Zinc have?
29
30
69
63
Which element is in Group 18 and period 4?
Krypton
Argon
Xenon
Bromine
How many neutrons would an atom of Copper have?
29
63
32
35
How many electrons can fit on the 2nd energy level (orbital) for any Bohr Model?
2
6
8
10
How many electrons can fit on the 3rd energy level (orbital) for any Bohr Model?
2
6
8
10
The GROUP number indicates the number of
electrons
valence electrons
energy levels
protons
The PERIO number indicates the number of
electrons
valence electrons
energy levels
protons
A graduated cylinder is filled to 90 mL. A mystery object with a mass of 12 g is placed in the beaker and the water level rises to 93 mL. What is the density of the object?
4 g/mL
0.25 g/mL
7.75 g/mL
7.5 g/mL
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