Which property do all metals have? А They are hard.
B They conduct electricity.
С They form acidic oxides.
D They react with water.​

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

What is the molar mass of ca(cio4)2

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n