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Atoms Vs Molecules

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

Atom

a)

Like a small solar system

b)

Like two or more of the same solar system stuck together

c)

Like two or more different solar systems stuck together

2.

Molecule

a)

Like a small solar system

b)

Like two or more of the same solar system stuck together

c)

Like two or more different solar systems stuck together

3.

Compound

a)

Like a small solar system

b)

Like two or more of the same solar system stuck together

c)

Like two or more different solar systems stuck together

4.

atom, molecule or compound?

a)

Atom

b)

Molecule

c)

Compound

5.

How many protons does this atom have?

a)

1

b)

2

c)

3

6.

atom, molecule or compound?

a)

Atom

b)

Molecule

c)

Compound

7.

How many protons do the hydrogen atoms in this compound have in their nucleus?

a)

1

b)

2

c)

3

8.

atom, molecule or compound?

a)

Atom

b)

Molecule

c)

Compound

9.

How many electrons are being shared by the hydrogen atoms in this molecule to make a covalent bond?

a)

1

b)

2

c)

3

10.

These two hydrogen atoms are sharing two electrons to form a bond. What type of bond is it?

a)

covalent (atoms shared equal)

b)

ionic (one atom stole an electron from another atom)

11.

The chlorine (Cl) atom stole an electron from the sodium atom (Na). What type of bond is it?

a)

covalent (atoms shared equal)

b)

ionic (one atom stole an electron from another atom)

12.

atom, molecule or compound?

a)

Atom

b)

Molecule

c)

Compound

13.

The hydrogen atoms are sharing two electron each with the oxygen atom to form bonds. What type of bonds are they?

a)

covalent

b)

ionic

14.

atom, molecule or compound?

a)

Atom

b)

Molecule

c)

Compound

15.

Oxygen atoms form double bonds with other oxygen atoms. They share four electrons to form this double bond. What type of bond is it?

a)

Covalent

b)

Ionic

16.

Atom

a)

Like a lego

b)

Like something built out of copies of the same lego

c)

Like something built out of two or more different types of legos

17.

Molecule

a)

Like a lego

b)

Like something built out of copies of the same lego

c)

Like something built out of two or more different types of legos

18.

Compound

a)

Like a lego

b)

Like something built out of copies of the same lego

c)

Like something built out of two or more different types of legos

19.

How do atoms form bonds that make them stick together?

a)

By sharing outer shell electrons

b)

By stealing outer shell electrons

c)

Both answers are correct