WorksheetsCHEM Test 2 (9th) 21-22
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
What is the symbol for sodium?
a)
So
b)
Na
c)
K
2.
What is the symbol for potassium?
a)
Po
b)
P
c)
K
3.
What is the symbol for iodine?
a)
Io
b)
I
c)
Y
4.
What is the symbol for chlorine?
a)
C
b)
Cl
c)
Cr
5.
What is the symbol for magnesium?
a)
Mg
b)
Mn
c)
Ma
6.
What is the symbol for mercury?
a)
Me
b)
Hg
c)
M
7.
What is the symbol for iron?
a)
Ir
b)
Hi
c)
Fe
8.
What is the symbol for phosphorus?
a)
Ph
b)
P
c)
F
9.
What is the symbol for sulfur?
a)
Az
b)
S
c)
Se
10.
What is the symbol for silver?
a)
Si
b)
Ag
c)
A
11.
What is the symbol for hydrogen?
a)
He
b)
H
c)
O
12.
What is the symbol for nitrogen?
a)
Ni
b)
Ng
c)
N
13.
What is the symbol for carbon?
a)
C
b)
Ca
c)
Cb
14.
A compound is made of various elements
a)
True
b)
False
15.
Explain why CO2 is a compound and not an element
4 lines
100 %
