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Worksheets

Atoms and Molecules

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is the charge of a Proton

a)

-1

b)

Neither positive or negative

c)

+1

d)

3

2.

What is the charge of an electron

a)

-1

b)

Neither positive or negative

c)

+1

d)

3

3.

What is the charge of a Neutron

a)

+1

b)

Neither positive or negative

c)

-1

d)

3

4.

What does atoms want to be

a)

Very unstable

b)

Stable

c)

Kind of Stable

d)

unstable

5.

What are Valence Electrons

a)

The number of protons in the nucleus

b)

The number of electrons in the outermost shell

c)

The number of neutrons in the nucleus

d)

The total number of electrons

6.

How is an Ironic Band Formed

a)

When atoms transfer electrons

b)

When atoms transfer protons

c)

When atoms transfer neutrons

d)

When atoms do not transfer anything

7.

What is radiant energy

a)

Energy carried from a electric current

b)

Energy caused by caused by the splitting or combining of the nuclei of atoms

c)

Energy a an object has due to its motion or position

d)

Energy that is also known as electromagnetic energy

e)

Energy that flows whenever there is a temperature difference

8.

What is Chemical Energy

a)

Energy caused by caused by the splitting or combining of the nuclei of atoms

b)

Energy that flows whenever there is a temperature difference

c)

Energy a an object has due to its motion or position

d)

Energy carried from a electric current

e)

Energy that is stored in molecules

9.

What is nuclear energy

a)

Energy carried from a electric current

b)

Energy caused by caused by the splitting or combining of the nuclei of atoms

c)

Energy a an object has due to its motion or position

d)

Energy that is stored in molecules

e)

Energy that flows whenever there is a temperature difference

10.

What is thermal energy

a)

Energy stored in molecules

b)

Energy carried from a electric current

c)

Energy that flows whenever there is a temperature difference

d)

Energy a an object has due to its motion or position

e)

Energy caused by caused by the splitting or combining of the nuclei of atoms

11.

What is mechanical energy

a)

Energy caused by caused by the splitting or combining of the nuclei of atoms

b)

Energy a an object has due to its motion or position

c)

Energy carried from a electric current

d)

Energy stored in molecules

e)

Energy that flows whenever there is a temperature difference

12.

What is electric Energy

a)

Energy caused by caused by the splitting or combining of the nuclei of atoms

b)

Energy that flows whenever there is a temperature difference

c)

Energy stored in molecules

d)

Energy carried from a electric current

e)

Energy a an object has due to its motion or position

13.

What does the mass of the nucleus determine

a)

Mass or a electron

b)

Mass of a Molecule

c)

Mass of a Proton

d)

Mass of a atom

14.

What holds a nucleus together

a)

Electric Force

b)

Nuclear Force

c)

Thermal Force

d)

Electric Force

15.

What are negative particles

a)

Neutrons

b)

Protons

c)

Electrons

d)

Nucleus

16.

What are the two electric charges

a)

Positive Neutral

b)

Negative Neutral

c)

Positive Negative

d)

Positive Only

17.

What is a Lewis Diagram

a)

A advanced Version of the Bohr Model

b)

Another name for the Bohr Model

c)

A simplified version of the Bohr Model

d)

A copy of the Bohr Model

18.

What is a Bohr Model

a)

Used to show all electrons

b)

Used to show all protons

c)

Used to show all neutrons

d)

Used to show protons, neutrons, and electrons

19.

What is an ion

a)

A charged atom

b)

A negatively charged atom

c)

A positively charged atom

d)

An Atom that is not charged

20.

What is an Anion

a)

A positively charged Atom

b)

A negatively charged Atom

c)

A charged Atom

d)

A atom that is not charged

21.

What is a Cation

a)

An atom that is not charged

b)

An atom that is negatively charged

c)

An atom that is positively charged

d)

An charged atom

22.

How much heavier is protons to electrons

a)

1,306

b)

1,757

c)

1,836

d)

1,008

23.

What does every atom have

a)

Molecule

b)

Anions

c)

Nucleus

d)

Ions

24.

What is a chemical bond

a)

When atoms transfer or share protons

b)

When atoms transfer or share neutrons

c)

When atoms transfer or share electrons

d)

When atoms transfer or share their nucleus

25.

What are the two types of chemical bonds

a)

Ions and Anions

b)

Cation and Anions

c)

Ions and covalent

d)

Covalent and Ironic