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atomic structure

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Found in the nucleus of an atom. This particle has a positive charge.

a)

Neutron

b)

Proton

c)

Electron

d)

Decepticon

2.

Found orbiting outside the nucleus, this subatomic particle has a negative charge.

a)

Neutron

b)

Proton

c)

Electron

d)

Idontknowatron

3.

The periodic table is in order by the

a)

Mass number

b)

Neutron number

c)

Atomic number

d)

APE MAN Number

4.

Name the element

a)

Boron

b)

Carbon

c)

Nitrogen

d)

Oxygen

5.

Name the element

a)

Aluminum

b)

Silicon

c)

Phosphorus

d)

Sulfur

6.

How many electrons does sulfur have

a)

16

b)

32

c)

48

d)

12

7.

Subatomic particle that has a positive charge

a)

electron

b)

poitron

c)

neutron

d)

proton

8.

The center of an atom is called the ________________.

a)

electron cloud

b)

nucleus

c)

neutrion

d)

nuetron

9.

In an atom, the number of protons is equal to the number of ____________.

a)

energy levels

b)

neutrons

c)

neurons

d)

electrons

10.

What type of charge does a proton have?

a)

positive

b)

negative

c)

neutral

11.

What charge does an electron have?

a)

positive

b)

neutral

c)

negative

12.

The smallest particle of an element.

a)

Element

b)

Molecule

c)

Atom

13.

A substance that cannot be broken down into other substances by chemical or physical means.

a)

Covalent bond

b)

Atom

c)

Element

14.

A combination of two or more atoms

a)

Period

b)

Molecule

c)

Atom

d)

Family

15.

What is the atomic number?

a)

35

b)

18

c)

17

d)

52