Question

classify the following as elements and compounds
1- iron
2- iron sulphide
3-sulphur
4-chalk
5-sodium
6- carbon
7-urea ​

Answer 1

element:

iron ,sulphur, sodium ,carbon

compounds:

iron sulphide, chalk,urea

Answer 2

Explanation:

Element- iron, sulphur ,sodium and carbon

compound - iron sulphide ,urea and chalk