What do you know about ionization energy electronegativity and atomic radius?? Please help!

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above