You can tell what atom you are looking at in a Bohr Model by

Counting the protons in the nucleus

Which is the best definition of an atom?

The smallest particle that has the properties of an element

Why are groups on the periodic table called families?

They have similar chemical properties

How are molecules different from atoms?

Molecules contain chemical bonds

The location of the nonmetals is where on the periodic table?

upper right corner of the periodic table

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Matter and The Periodic Table

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Review quiz for eighth grade Physical Science Students

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Questions 20

Answers

1
You can tell what atom you are looking at in a Bohr Model by
Counting the protons in the nucleus
Counting the valence electrons
Finding the atomic mass
Adding the protons and electrons together
2
Which is the best definition of an atom?
Smallest part of a thing that has properties of the thing.
Substance that can't be broken down into simpler substances
Something with mass and volume.
The smallest particle that has the properties of an element
3
Elements in the same period have the same
number of protons in the nucleus.
number of neutrons in the nucleus.
number of valence electrons.
number of energy levels.
4
Particles in water ________________________ as it changes from liquid to gas.
vibrate
stop altogether
slow down
speed up
5
Where does the substance begin to change from solid to liquid?
point C
point B
point A
point E
6
Why are groups on the periodic table called families?
They have similar chemical properties
They have similar endings on their names
They all have the same number of protons in the nucleus
They are all on the same row
7
He is the chemical symbol for _____________.
Hydrogen
Helium
Mercury
Hemanium
8
The organization of the periodic table can be described as
Organized by chemical symbol
Organized by atomic number
Organized by atomic mass
Organized by reactivity
9
How are molecules different from atoms?
Molecules are smaller
Molecules make atoms
Molecules contain chemical bonds
Molecules have unique properties
10
Where is the energy the greatest in this diagram?
point A
between point B and point C
beyond point E
point E
11
True or False: Particles in solids are moving.
True
False
12
The location of the nonmetals is where on the periodic table?
lower left corner of the periodic table
Middle of the periodic table
upper right corner of the periodic table
Left of the zigzag line
13
As water molecules slow down, they would likely become
colder
hotter
excited
absorbed
14
Aluminum (Al) is located in ...
Group 13, Period 3
Group 4, Period 2
Group 3, Period 3
Group 3, Period 13
15
Most elements on the Periodic Table are...
Metals
Metalloids
Nonmetals
Nonmetalloids
16
What two things must something possess in order to be called matter?
mass and density
mass and volume
volume and space
weight and mass
17
The symbol for sodium is ______________.
Ne
S
So
Na
18
In which state of matter are the particles packed the tightest?
Gas
Plasma
Solid
Liquid
19
Kinetic energy (energy of movement) ________ as heat is added to the particles of an ice cube.
increases
stays the same
explodes
decreases
20
True or False: Cells are smaller than atoms.
False
True

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