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WorksheetsAtoms and Molecules and Elements...OH MY!!!
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Au is the symbol on the periodic table that stands for what element?
a)
Silver
b)
Iron
c)
Gold
d)
Magnesuim
2.
What are the two most abundant elements in the universe?
a)
Hydrogen and Oxygen
b)
Hydrogen and Helium
c)
Helium and Nitrogen
d)
Nitrogen and Surprise
3.
Pb is the symbol for what element?
a)
Lead
b)
Iron
c)
Peanut Butter
d)
Plutonium
4.
Two or more elements that are chemically combined are called_____________.
a)
Hydrogen
b)
Molecules
c)
Carbon dioxide
d)
Compounds
5.
Sn is the chemical symbol on the periodic table of elements for the element
a)
Lead
b)
Iron
c)
Silicon
d)
Tin
6.
Unexpected change in temperature; unexpected change in color; production of gas/bubbling; production of odor; production of sound; production of light, these are all ________________________.
a)
Signs of a physical change
b)
Signs of a chemical change
c)
Signs of indigestion
d)
Sings you have entered Willy Wonka's Chocolate Factory
7.
The name for all the electrons orbiting the nucleus in an atom--takes up the most space in the atom, if the nucleus was the size of a bunch of grapes the ______________ _______________ would take up the space of a football stadium.
a)
Rain cloud
b)
Storm cloud
c)
Electron cloud
d)
Cirrus cloud
8.
What is the name for the path that one object takes as it circles around another object. ex. a satellite circling the earth or electrons circling the nucleus of an atom?
a)
Orbit
b)
Molecules
c)
Atomic Number
d)
Nucleus
9.
K is the chemical symbol on the periodic table of elements for the element
a)
Uranium
b)
Hydrogen
c)
Iodine
d)
Potassium
10.
True or False:
The chemical formula CO2 represents the elements carbon and oxygen joined together in a compound with a total of 3 atoms in the compound.
The chemical formula CO2 represents the elements carbon and oxygen joined together in a compound with a total of 3 atoms in the compound.
a)
True
b)
False
11.
True or False:
Ag is the chemical symbol for the element silver
Ag is the chemical symbol for the element silver
a)
True
b)
False
12.
True or False:
The following are signs of a physical change but not a chemical change: A change in shape; a change in color; a change in state of matter (changing from solid to liquid or liquid to gas or a change from gas to liquid or a liquid to solid.)
The following are signs of a physical change but not a chemical change: A change in shape; a change in color; a change in state of matter (changing from solid to liquid or liquid to gas or a change from gas to liquid or a liquid to solid.)
a)
True
b)
False
13.
True or False:
Na is the chemical symbol for Nickel.
Na is the chemical symbol for Nickel.
a)
True
b)
False
14.
True or False:
The atomic mass is a term that represents the mass of one atom of an element. (It is the combined masses of all the protons and neutrons in an atom.
The atomic mass is a term that represents the mass of one atom of an element. (It is the combined masses of all the protons and neutrons in an atom.
a)
True
b)
False
15.
The name for a common model of an atom that has protons and neutrons in the nucleus, and electrons outside the nucleus, orbiting around the nucleus like little planets? (Named after a scientist and it not the electron cloud model)
a)
Bohr Model
b)
Rutherford Model
c)
Mendeleev Model
d)
Plum Pudding Model
16.
The part of an atom that has a negative charge.
a)
Proton
b)
Neutron
c)
Electron
17.
The part of an atom that has no charge.
a)
Proton
b)
Neutron
c)
Electron
18.
The part of an atom that has a positive charge.
a)
Proton
b)
Neutron
c)
Electron
19.
The number of these sub-atomic particles also gives us that element's atomic number.
a)
Proton
b)
Neutron
c)
Electron
20.
The number of protons and neutrons in the nucleus gives us what number?
a)
Atomic Number
b)
Cellular Number
c)
Atomic Mass
d)
42
21.
A change in temperature, light, sound, and a new substance being created are signs of what?
a)
Chemical Change
b)
Physical Change
c)
Clothing Change
d)
Class Change
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