WorksheetsWindham STAAR Wars Part 3
Total questions: 15
Worksheet time: 4hrs 45mins
Name
Class
Date
1.
Which property of an unknown element determines the other elements it will react with?
a)
The total number of neutrons
b)
The total number of particles
c)
The number of protons in the nucleus
d)
The number of valence electrons
2.
What do periods determine on the periodic table?
a)
Valence electrons
b)
Number of protons
c)
Number of energy levels
d)
Number of neutrons
3.
What do groups determine on the periodic table?
a)
Number of protons
b)
Number of valence electrons
c)
Number of neutrons
d)
Number of energy levels
4.
Sodium, aluminum, and chlorine are alike in that they all three _____
a)
are compounds
b)
are nonmetals
c)
have one valence electron
d)
have three energy levels
5.
All of these are examples of compounds except _____
a)
H
b)
NaCl
c)
H2O
d)
PbS
6.
Which of these two combinations of elements are least likely to form a compound?
a)
helium + neon
b)
sodium + chlorine
c)
hydrogen + oxygen
d)
aluminum + oxygen
7.
How many atoms are in CuSO4?
a)
3
b)
4
c)
5
d)
6
8.
How many elements are in NaOH3
a)
3
b)
4
c)
5
d)
6
9.
Most of an atom's mass consists of _____
a)
electrons
b)
electrons and neutrons
c)
protons and neutrons
d)
electrically charged particles
10.
What does the atomic number tell you?
a)
The number of neutrons
b)
The number of protons and neutrons
c)
The number of protons and electrons
d)
The number of electrons
11.
What does the atomic mass tell you?
a)
The number of neutrons
b)
The number of neutrons and protons
c)
The number of electrons
d)
The number of electrons and neutrons
12.
Valence electrons are the _____
a)
electrons inside the nucleus
b)
2 electrons in the 1st energy level
c)
beta particles
d)
electrons in the outermost energy level
13.
How many phosphorous atoms are in the formula for Sr3(PO4)2?
a)
2
b)
3
c)
4
d)
8
14.
How many Sodium atoms are in the chemical formula for 3C5H8NNaO4?
a)
15
b)
3
c)
12
d)
24
15.
If you have a shiny element that conducts electricity and is able to be pounded into thin sheets, then you have a _____
a)
metal
b)
nonmetal
c)
metalloid
d)
other
100 %
