Question

5.
Weight of 4.5 x 10” atoms of an element is 1.5 gr, the atomic weight of the element is
3) 20 gr.
4) 40 gr
1) 10 gr.
2) 15 gr.
​

Answer 1

Answer:

Explanation:

4.5 * 10 = 1.5

6.022 * 10^23 atoms=

1.5* 6.022 * 10^23 / 4.5 * 10^22

= 20 gm