Question

b) A chemical manufacturing company owns a media agency. Which of the following
events do you think will get covered as news by the media agency and why?
(i) An NGO finds out about cases of lung disease among child labourers due to
exposure to the hazardous chemicals used in the company.
(ii) The company launches a new chemical that will make it easier to extract iron from
iron ore and therefore benefit the iron and steel industry.​

Answer 1

Answer:

If z = 3, i.e., atomic number is 3. Its electronic configuration is 2, 1. Hence, the valency of the element is 1 (since the outermost shell has only one electron). Then element is lithium.

Answer 2

Answer:

The company launches a new chemical that will make it easier to extract iron from iron ore and therefore benefit the iron and steel industry