NEW
Font size
S
M
L
XL
WorksheetsPeriodic table and reactivity
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
2.
How many Valance electrons does Iodine Have?
a)
6
b)
16
c)
7
d)
17
3.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
4.
An element with five valence electrons is
a)
phosphorus
b)
oxygen
c)
beryllium
d)
rubidium
5.
Which of the following is a physical change?
a)
sawing a piece of wood in half
b)
burning a piece of wood
c)
rusting of an iron fence
d)
a copper roof changing from red to green
6.
Which of the following is a clue of a chemical change?
a)
iron changes color when heated
b)
gas bubbles form in boiling water
c)
melted wax forms around hot candle
d)
gas forms when vinegar and baking soda are mixed.
7.
Which of the following is NOT a clue that a chemical change has occurred?
a)
change in color
b)
production of gas
c)
formation of a precipitate
d)
change in shape
8.
What correctly describes the nucleus of an atom?
a)
protons and electrons
b)
neutrons and electrons
c)
neutrons and protons
d)
protons, electrons, and neutrons
9.
Ne is a what?
a)
Compound
b)
Mixture
c)
Element
d)
Solution
10.
The outer most negatively charged particles of an atom are known as what?
a)
electrons
b)
protons
c)
neutrons
d)
valance electrons
11.
Looking at the periodic table what other element reacts in a similar way to Si?
a)
Al
b)
P
c)
C
d)
H
12.
Which particle carries a positive charge?
a)
Protons
b)
electrons
c)
atom
d)
neutrons
13.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
14.
How many energy shells does Barium (Ba) have?
a)
1
b)
2
c)
5
d)
6
15.
Which element has 2 energy shells and 3 valence electrons
a)
Si
b)
B
c)
Li
d)
He
Reset
