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WorksheetsSA2 Practice
Total questions: 20
Worksheet time: 22mins
Name
Class
Date
1.
Pollution
a)
specific source of pollution
b)
The contamination of Earth's land, water, or air
c)
burning of gasoline
d)
a factory
2.
The three Rs of solving the garbage problem are
a)
Rebekah, Rachel, and Ronda.
b)
red, redo, and remember.
c)
remove, rewind, and recover.
d)
reduce, reuse, and recycle.
3.
The outer most electrons in an atom are called ...
a)
valence electrons.
b)
anions.
c)
cations.
d)
octet electrons.
4.
How many valence electrons does Chlorine contain?
a)
5
b)
2
c)
7
d)
5
5.
The period where the element Bromine is found would be ___________.
a)
3
b)
2
c)
4
6.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
7.
Atomic radius generally increases as we move __________.
a)
down a group and from right to left across a period
b)
up a group and from left to right across a period
c)
down a group and from left to right across a period
d)
up a group and from right to left across a period
8.
Which element is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
9.
A positively charged ion has fewer electrons than protons. A positively charged ion is called a(n)...
a)
cation
b)
onion
c)
anion
d)
positivion
10.
Anions are _______ that form ____________ ions and __________ electrons.
a)
nonmetals, positive, lose
b)
nonmetals, negative, gain
c)
metals, positive, gain
d)
metals, positive, lose
11.
Name group 18 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
transition metals
d)
noble gases
12.
Name group 2 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
d)
transition metals
13.
Name group 1 on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
noble gases
d)
halogens
14.
Elements that share characteristics of both metals and nonmetals are called?
a)
Rare Earth Metals
b)
Metalloids
c)
Metals
d)
Nonmetals
15.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
16.
The atomic radius is...
a)
the total size of the electron cloud
b)
half the distance between 2 nuclei of the same element
c)
the total distance between the nuclei in a diatomic molecule
d)
half the distance between the outer edges of the electron cloud in a diatomic molecule
17.
The atom with the largest atomic radius in Group 18 is -
a)
Ar
b)
He
c)
Kr
d)
Rn
18.
Which is larger:
Ca or Ca+2
Ca or Ca+2
a)
Ca
b)
Ca+2
c)
both are same size
19.
Which is larger:
P or P-3
P or P-3
a)
P
b)
P-3
c)
both are same size
20.
Name the element represented by the symbol below
S
S
a)
Silicon
b)
Sulfur
c)
Strontium
d)
Correct answer not listed
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