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Atoms

1

										2				3
					4
											5		6
					7			8
9
											10

		11				12									13

					14

15										16
														17
						18
			19
									20

Across:

2.	A small piece of something
6.	A connection between atoms in a molecule.
7.	Matter made of tiny building blocks.
9.	Anything that has mass and takes up space.
10.	A thing that is two separate elements mixed.
11.	An ion with a negative charge.

14.	An atom is made up of tiny ________ ______ of matter.
15.	An atom with an electric charge in it.
17.	A path that the electrons take to orbit the nucleus.
18.	The center of the atom, contains protons and neutrons.
19.	A measure of the number and density of the atoms in an object.
20.	A pure substance.

Down:

1.	The particle that is inside an atom.
3.	Atoms that have the same number of protons but different numbers of neutrons in the nucleus.
4.	An atomic particle that is tinnier than a proton or neutron.
5.	A subatomic particle with a negative electric charge.

8.	A group of atoms connected
12.	A subatomic particle with no electric charge.
13.	A subatomic particle with a positive electric charge.
16.	A frame or structure that the electrons orbit on.

© 2013 PuzzleFast.com, Noncommercial Use Only

Atoms

1

S

U

B

2

P

A

R

T

3

I

C

L

E

A

4

Q

S

T

U

5

E

6

B

O

N

D

O

7

A

T

O

8

M

S

L

T

9

M

A

T

T

E

R

O

E

O

I

K

L

10

C

O

M

P

O

U

N

D

C

E

T

E

P

11

A

N

I

O

12

N

C

R

13

P

A

E

U

O

R

R

14

B

U

I

L

D

I

N

G

B

L

O

C

K

S

T

T

E

S

T

15

I

O

N

R

16

S

O

C

O

H

17

E

N

E

R

G

Y

L

E

V

E

L

S

L

18

N

U

C

L

E

U

S

S

E

19

M

A

S

S

L

20

E

L

E

M

E

N

T

Across:

2.	A small piece of something
6.	A connection between atoms in a molecule.
7.	Matter made of tiny building blocks.
9.	Anything that has mass and takes up space.
10.	A thing that is two separate elements mixed.
11.	An ion with a negative charge.

14.	An atom is made up of tiny ________ ______ of matter.
15.	An atom with an electric charge in it.
17.	A path that the electrons take to orbit the nucleus.
18.	The center of the atom, contains protons and neutrons.
19.	A measure of the number and density of the atoms in an object.
20.	A pure substance.

Down:

1.	The particle that is inside an atom.
3.	Atoms that have the same number of protons but different numbers of neutrons in the nucleus.
4.	An atomic particle that is tinnier than a proton or neutron.
5.	A subatomic particle with a negative electric charge.

8.	A group of atoms connected
12.	A subatomic particle with no electric charge.
13.	A subatomic particle with a positive electric charge.
16.	A frame or structure that the electrons orbit on.

© 2013 PuzzleFast.com, Noncommercial Use Only