1.
Same element with different numbers of neutrons: I______ (7)
2.
Describes the chemistry table of elements: P_______ (8)
3.
Vertical column on the periodic table: G____ (5)
4.
Horizontal row on the periodic table: P_____ (6)
5.
Type of radiation stopped by paper: A____ (5)
6.
Type of radiationthat is a fast moving electron: B___ (4)
7.
Radiation with no mass: G____ (5)
8.
Time for half a radioactive sample to decay: H_______ (8)
9.
Using Carbon to estimate how old something is: Carbon D_____ (6)
10.
Energy or particles emitted from unstable atoms: R________ (9)
11.
Centre of an atom: N______ (7)
12.
Positively charged particle: P_____ (6)
13.
Particle with no electrical charge: N______ (7)
14.
Negatively charged particle: E_______ (8)
15.
Candy with a 'S' on one side S_______ (8)
16.
Process of removing or gaining electrons: ION______ (10)
