Question

Select which of the following statements are true about ions:

A positively charged particle and a negatively charged particle attract each other
Two negatively charged particles attract each other
A positively charged particle and a negatively charged particle repel each other
Two positively charged particles attract each other

Answer 1

Charges of opposite sign attract one another

Charges of the same sign repel each other

so statement 1 and 4 is true.