ESTION 5 (Start on a new page.) Define the term isotope
(2)
Study the unknown elements A to E below
A
18x
x
D
19
10
IX Х
С
20 x
Х
21
11
Х
E
"Х
5.2.1
Which of the elements above are isotopes of each other?
(1
(1
5.2.2 Write down the name of this isotope. (Allom the
Calculate the relative atomic mass of copper by using the following isotopes
of copper
Copper isotopes: 63 Cu - 69% and 65Cu - 31%
ah
below
Write only the answer next to the questio​