Give the formular for the following compound i Ammonium tetraxo Sulphate (vi) ii magnesium nitride III Aluminium oxide iv Calcium Carbride.​

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Which states of matter have particles that move independently of one another with very little attraction?

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?