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WorksheetsMolecules Models
Total questions: 21
Worksheet time: 24mins
Name
Class
Date
1.
What is the MOLECULAR MODEL for the chemical formula above?
a)
C-C-O
b)
C-O-O
c)
C O
d)
C-C-O-O
2.
What is the CHEMICAL FORMULA for the molecular model pictured above?
a)
CH
b)
C4H4
c)
CH4
d)
C4H
3.
What is the MOLECULAR MODEL for the chemical formula above?
a)
Ca-Cl-Cl
b)
Ca-Cl
c)
Ca Cl Cl
d)
Ca-Ca-Cl-Cl
4.
What is the MOLECULAR MODEL for the chemical formula above?
a)
H-O-O
b)
H O O
c)
H-O
d)
H-H-O
5.
What is the MOLECULAR MODEL for the chemical formula above?
a)
Na Cl
b)
Na-Cl
c)
Cl Na
d)
Na-Cl-Na-Cl
6.
What is the CHEMICAL FORMULA for the molecular model pictured above?
a)
CO
b)
OC2
c)
C2O
d)
CO2
7.
What is the CHEMICAL FORMULA for the molecular model pictured above?
a)
CH2O
b)
C2H2O2
c)
CHO2
d)
CHO
8.
Is the chemical formula above an ELEMENT, COMPOUND or MIXTURE?
a)
Element
b)
Compound
c)
Mixture
9.
Is the chemical formula above an ELEMENT, COMPOUND or MIXTURE?
a)
Element
b)
Compound
c)
Mixture
10.
Is the chemical formula: CH4 and O2 an ELEMENT, COMPOUND or MIXTURE?
a)
Element
b)
Compound
c)
Mixture
11.
Is the chemical formula: Fe4 an ELEMENT, COMPOUND or MIXTURE?
a)
Element
b)
Compound
c)
Mixture
12.
Is the chemical formula: H4 and H2O2 an ELEMENT, COMPOUND or MIXTURE?
a)
Element
b)
Compound
c)
Mixture
13.
What ELEMENTS are present in the chemical formula: CH4
a)
Carbon and Helium
b)
Carbon and Hydrogen
c)
Calcium and Hydrogen
d)
Copper and Helium
14.
What ELEMENTS are present in the chemical formula: H2O2 and Fe2
a)
Hydrogen and Oxygen
b)
Hydrogen, Oxygen, and Beryllium
c)
Hydrogen, Oxygen, and Iron
d)
Helium, Oxygen, and Iron
15.
What is the MOLECULAR MODEL based of the STRUCTURE AND BONDING:
1 Set/Molecule of:
2 Atoms of Hydrogen
1 Atom of Oxygen
BONDED
and
1 Set/Molecule of:
1 Atom of Sodium
1 Atom of Chlorine
BONDED
a)
H-H-O-Na-Cl
b)
H-O-O and Na-Cl
c)
H-H-O and Na-Cl
d)
H H O and Salt
16.
What is the CHEMICAL FORMULA based on the STRUCTURE AND BONDING:
1 Set/Molecule of:
2 Atoms of Hydrogen
2 Atoms of Oxygen
BONDED
a)
H2O
b)
HO
c)
H-O-O
d)
H2O2
17.
What is the MOLECULAR MODEL based of the STRUCTURE AND BONDING:
2 Atoms of Hydrogen
2 Atoms of Oxygen
BONDED
2 Atoms of Hydrogen
2 Atoms of Oxygen
BONDED
a)
H H O O
b)
H-H-O-O
c)
H-O H-O
d)
H2-O2
18.
What is the MOLECULAR MODEL based of the STRUCTURE AND BONDING:
1 Set/Molecule of:
1 Atom of Carbon
4 Atoms of Hydrogen
BONDED
a)
C-H-H-H-H
b)
C H H H H
c)
C-C-C-C-H-H-H-H
d)
C-H4
19.
What is the CHEMICAL FORMULA based on the STRUCTURE AND BONDING:
1 Set/Molecule of:
1 Atom of Carbon
2 Atoms of Oxygen
BONDED
a)
CO
b)
CO2
c)
C-O
d)
C2O2
20.
What is the MOLECULAR MODEL for the chemical formula above?
a)
N-H
b)
N-N-N-H-H-H
c)
N-H-H-H
d)
N H - N H - N H
21.
What is the SMALL number in a chemical formula known as?
a)
Coefficient
b)
Subscript
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