If an element gives away an electron, will it form a positive ion or a negative
ion?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

How is the atomic number of a nucleus changed by alpha decay