1.
Smallest part of an element: A___ (4)
2.
Positively charged particle in an atom: P_____ (6)
3.
Particle with no electrical charge: N______ (7)
4.
Negatively charged particle in an atom: E_______ (8)
5.
Atoms of the same element with different neutrons: I______ (7)
6.
Pure substance made of one type of atom: E______ (7)
7.
Table used to organise the elements: P_______ (8)
8.
Most common in the table and is usually shiny: M____ (5)
9.
Substance with a pH lower than 7: A___ (4)
10.
State of matter with a fixed shape: S____ (5)
11.
State of matter which can change shape: L_____ (6)
12.
State of matter that can spread out: G__ (3)
13.
Change from solid to liquid: M______ (7)
14.
Change from liquid to gas at the surface: E_________ (10)
15.
Process where new substances are formed: R________ (8)
16.
Reaction involving burning with oxygen: C________ (10)
17.
Change where no new substance is formed: P_______ (8)
18.
Nuclear radiation with low penetration: A____ (5)
19.
Nuclear radiation with medium penetration: B___ (4)
20.
Nuclear radiation with very high penetration: G____ (5)
