WorksheetsQ2 Science Post Test Mrs. Campoli
Total questions: 23
Worksheet time: 28mins
Name
Class
Date
1.
What is the smallest portion of an element?
a)
Compound
b)
Isotope
c)
Atom
d)
Molecule
2.
All matter is made of...
a)
Bricks
b)
elements
c)
snow
d)
Flowers
3.
What information can you find on a Periodic Table?
a)
Atoms
b)
Constellations
c)
Elements
d)
Nothing Important
4.
What is on the far left of the Periodic table?
a)
Stable Gasses
b)
Highly Reactive Metals
c)
Something right in the middle
d)
None of the Above
5.
What is on the far right of the Periodic Table?
a)
Stable Gases
b)
Highly Reactive Metals
c)
Something in the Middle
d)
Nothing
6.
How many atoms at the end of the equation?
Hydrogen2 + Oxygen1 = H2O
Hydrogen2 + Oxygen1 = H2O
a)
0
b)
1
c)
2
d)
3
7.
Law of Conservation of Mass and Energy says...
a)
Matter is conserved during a chemical reaction
b)
Energy can NOT be created
c)
Energy can NOT be destroyed
d)
All of the Above
8.
Periods/Rows all refer to which direction on the Periodic table?
a)
left to right (horizontal)
b)
up to down (vertical)
9.
What charge does a proton have?
a)
Positive
b)
Negative
c)
No Charge
d)
I Don't Know
10.
What charge does an electron have?
a)
Positive
b)
Negative
c)
No Charge
d)
I Don't Know
11.
What charge does a neutron have?
a)
Positive
b)
Negative
c)
No Charge
d)
I don't Know
12.
Elements in a column have what in common?
a)
Similar Chemical Properties
b)
Same # of Valence Electrons
c)
All of These
13.
What layer of an atom bonds to another atom?
a)
Outer Layer (Valence Electrons)
b)
Inner Layer
c)
All of them
14.
Atoms have different numbers of______
a)
particles
b)
elements
c)
neutrons
d)
handbags
15.
Atomic Number is the same as...
a)
Atomic Mass
b)
Proton Number
c)
Nucleus
d)
Electron Cloud
16.
In the nucleus, you find what particles?
a)
Neutrons
b)
Protons
c)
Electrons
d)
Neutrons and Protons
17.
In the Electron Cloud, you find what particles?
a)
Protons
b)
Neutrons
c)
Electrons
d)
Electrons and Neutrons
18.
Periods/Rows are organized by...
a)
Increasing atomic number
b)
Decreasing atomic number
c)
No organization
d)
Atomic Mass
19.
Compounds are formed by what?
a)
Chemical Reactions
b)
Physical Processes
c)
Thin Air
d)
Electromagnetic Force
20.
Molecules are made of...
a)
1 or more atoms
b)
2 or more same or different elements
c)
2 or more same elements
d)
2 or more different elements
21.
Compounds are made of
a)
1 or more atoms
b)
2 or more same or different elements
c)
2 or more same elements
d)
2 or more different elements
22.
If an atom has a mass number of 25 and has no charge. And the atomic number is 12. how many protons(p), electrons(e), and neutrons(n) does the atom have?
a)
12p
25e
0n
25e
0n
b)
12p
12e
13n
12e
13n
c)
25p
25e
25n
25e
25n
d)
10p
12e
24n
12e
24n
23.
____ is the physical property that depends on the amount of a substance.
a)
volume
b)
mass
c)
density
d)
gravity
100 %
