Mark the following statements whether true or false :

1.All elements have a unique valency.

2.Phosphate is a divalent ion.

3.Chemical equations are balanced to satisfy the law of conservation of mass.

Asked by hemanginivyas92.9spicertl | 14th Aug, 2020, 01:05: PM

Expert Answer:

1. False. All elements have a unique atomic number.

2. False. Phosphate(PO43-) is a trivalent ion.

3. True. Chemical equations are balanced to satisfy the law of conservation of mass.

 

Answered by Ramandeep | 14th Aug, 2020, 08:16: PM