WorksheetsMs. Brichler's Review of Atomic Theory and the PeriodicTable
Total questions: 30
Worksheet time: 15mins
Name
Class
Date
1.
How has the atomic theory changed over the years?
a)
As new evidence was discovered, the atomic theory changed.
b)
As atomic models got better it proved that the atomic theory was accurate.
c)
Modifications were made every time a new element was discovered.
d)
Atomic theories changed as people's opinions changed.
2.
What would be a good definition of a metalloid?
a)
Elements that are shinier than most metals.
b)
Elements that have characteristics of both metals and non-metals.
c)
Elements that are more reative than both metals and non-metals.
d)
Elements that conduct both heat and electricity.
3.
If Mercury Hg) is a conductor of electricity, what other element would also be?
a)
Nickel (Ni)
b)
Zinc (Zn)
c)
Gold (Au)
d)
Palladium (Pd)
4.
When describing the nature of scientific theories, one might say...
a)
Scientific theories can never change.
b)
Scientific theories can change with new evidence.
c)
They are easily discarded when proven wrong.
d)
Scientific theories eventually become laws.
5.
True or False? Scientific theories can become Scientific laws.
a)
True
b)
False
6.
What do elements in a group (column) have in common?
a)
They have the same number of protons.
b)
They share similar properties.
c)
They all conduct electricity.
d)
They are a continuous series of atomic numbers.
7.
What two subatomic particles are found in the nucleus of an atom?
a)
Protons and Neutrons
b)
Protons and Electrons
c)
Neutrons and Electrons
d)
Electrons and Photons
8.
True or False?Protons have a positive charge.
a)
True
b)
False
9.
True or False?Neutrons have a negative charge.
a)
True
b)
False
10.
What happens when evidence is found that does not support an accepted theory?
a)
The theory is changed into a law.
b)
The theory is discarded.
c)
The theory is modified with the new information.
d)
Nothing - the theory is still accepted.
11.
As new technology is developed, what does it allow scientists to do?
a)
Gather new scientific knowledge
b)
Make new observations.
c)
Both of these answers are correct.
12.
What does the Bohr's model of an atom NOT illustrate. (If it is written on paper ;-) )
a)
It does not show how the sub-atomic particles move and interact.
b)
It does not show the number of electrons.
c)
It does not show the energy levels of all the electrons.
13.
Which subatomic particle has the smallest mass?
a)
Proton
b)
Neutron
c)
Electron
14.
Which subatomic particle has approximately the same mass as a proton?
a)
electron
b)
neutron
c)
photon
d)
neuron
15.
The atomic mass tells you the number of ___
a)
protons and electrons in the nucleus.
b)
protons and neutrons in the nucleus.
c)
electrons in the electron cloud.
d)
electrons and neutrons in the nucleus.
16.
You would calculate the number of neutrons by _______.
a)
adding the protons and electrons.
b)
subtracting the atomic number from the atomic mass.
c)
looking at the atomic number.
d)
looking at the atomic mass.
17.
What is the smallest basic unit of matter?
a)
The cell
b)
The atom
c)
the molecule
d)
the compound
18.
Put these in order from smallest to largest: organ, cell, tissue, atom, molecule.
a)
organ, cell, tissue, atom, molecule
b)
cell, tissue, organ, atom, molecule
c)
atom, molecule, cell, tissue, organ
d)
atom, cell, molecule, organ, tissue
19.
The VERY smallest piece of an element possible would be a(an) ________.
a)
molecule
b)
cell
c)
atom
d)
proton
20.
The very smallest piece of pure gold would be a(an) ___________.
a)
atom
b)
cell
c)
molecule
d)
nugget
21.
What do all atoms have in common?
a)
They all have protons in their nucleus.
b)
They all have electrons outside of their nucleus.
c)
They all have a nucleus.
d)
All three answers are correct.
22.
Which subatomic particles are found in the nucleus?
a)
electrons and protons
b)
protons and neutrons
c)
neutrons and electrons
d)
protons and electrons
23.
Where is the nucleus of the atom located?
a)
Around the outside.
b)
In the valence level.
c)
In the center.
24.
Where is most of the mass of an atom located?
a)
In the nucleus.
b)
Around the nucleus.
c)
Outside the nucleus.
d)
In the valence level.
25.
Elements with similar properties would be found in the same _________.
a)
Period
b)
Group
26.
An element directly to the right of another on the periodic table would have one more ______.
a)
electron
b)
neutron
c)
proton
d)
letter
27.
What do you call elements that have properties of both metals and nonmetals?
a)
alkali metals
b)
metalloids
c)
Alkaline Earth Metals
d)
Noble gasses
28.
True or False? Scientific Laws tell what happens in nature, while scientific theories explain why things happen in nature.
a)
True
b)
False
29.
True or False? Scientific Laws come before Scientific Theories.
a)
True
b)
False
30.
True or False? Scientific Theories are very strong and very hard to change.
a)
True
b)
False
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