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WorksheetsIntegrated Science - Chemistry Unit
Total questions: 38
Worksheet time: 39mins
The number of __________ is the difference between the mass number and the atomic number.
Protons
Electrons
Neutrons
All of the above
The atomic number of Carbon is ________________.
12
6
4
2
The subatomic particles found in the nucleus of an atom are _____________ & ______________.
protons & neutrons
protons & electrons
electrons & neutrons
electrons & ions
The positively charged subatomic particle of an atom.
neutrons
ions
electrons
protons
The negatively charged subatomic particle of an atom.
proton
ion
electron
neutron
The atomic mass of Carbon is ______________.
12
6
4
2
Carbon has __?___ electrons.
12
6
4
2
The neutrally charged subatomic particle of an atom.
proton
electron
neutron
ion
The atomic number for Tin is _________ and the atomic mass is ________________.
118.71 and 50
50 and 118.71
50 and 68.71
none of the above
Tin has how many electrons?
50
69
100
119
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 is the mass number of this atom of Chlorine?
17
18
35
35.453
What is a Bohr Model?
a simplified representation of an atom
vertical column in periodic table
horizontal row in periodic table
Only shows the element symbol and it's outer most electron shell
Which element does this Bohr model represent?
Aluminum
Silicon
Magnesium
Cobalt
What element does this Bohr model represent?
Chromium
Magnesium
Carbon
Krypton
any characteristic of matter that you can observe without changing the identity of the substances that make it up
physical property
chemical property
periodic table
conglomerate
a characteristic of matter you observe as it reacts or changes into a different substance
physical property
chemical property
periodic table
conglomerate
the amount of matter in an object
mass
weight
volume
density
the gravitational pull on the mass of an object
mass
weight
volume
density
sharpening a pencil
physical change
physical property
chemical change
chemical property
flammability of a substance
physical change
physical property
chemical change
chemical property
What happens to the mass and weight of an object that is launched into space, where the pull of gravity is less?
The mass decreases while the weight stays constant.
The mass stays constant while the weight decreases.
The mass stays constant while the weight increases.
The mass increases while the weight decreases.
Density is a physical property of matter and can be used to classify substances. Density is calculated by which of the following?
d=v/m
d=m/v
d=w/v
d=m/w
Chemistry is defined as the study of
living organisms
motion and forces
physical phenomena
matter and its changes
the basic structural unit of matter
atom
matter
element
nucleus
one or two letters that represent the name of an element
element name
element symbol
atomic number
atomic mass
