How can you describe the location of hafnium (hf, atomic number 72) on the periodic table? choose all that apply.(a) transition metals(b) noble gases(c) group 6, period 4(d) group 4, period 6

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

If i make a solution by adding 83grams of sodium hydroxide to 750ml i’d water what is the molarity of sodium hydroxide

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride