ACROSS
1. smallest particle of a compound (8)
4. a state of matter (3)
6. a yellow-coloured metal (4)
9.to group together things with similar properties (14)
DOWN
2. gas we breathe in (6)
3. we call iron, gold or hydrogen this (7)
7. another state of matter (5)
8. scientist who coined the term atom (6)
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Solution
1M
2
O
L
E
C
U
L
3E
X
L
4G
5A
S
Y
E
T
6G
O
L
D
M
O
E
E
M
N
7S
N
8
D
O
T
A
L
L
9C
L
A
S
S
I
F
I
C
A
T
I
O
N
D
O
N
ACROSS
1. smallest particle of a compound (8) -MOLECULE
4. a state of matter (3) - GAS
6. a yellow-coloured metal (4) - GOLD
9.to group together things with similar properties (14) - CLASSIFICATION DOWN
2. gas we breathe in (6) - OXYGEN
3. we call iron, gold or hydrogen this (7) - ELEMENT
5. smallest particle of an element (4) - ATOM
7. another state of matter (5) - SOLID
8. scientist who coined the term atom (6) - DALTON