If you dont know dont answer please

Covalent bonds occur between and .
Question 1 options:

metal and metal

metals and nonmetal

nonmetal and nonmetal

What is happens in a neutralization reaction?
Question 2 options:

Acid and base results in salt and water that are neutral pH

Protons balance electrons

Nothing happens

pH of 7 makes everything it touches turn neutral

What is the correct name of the following covalent compound: C2H6. Follow the correct naming rules we learned in class!
Question 3 options:

dicarbon hexahydride

carbon hydride

carbon hydrogen

ethane

What is the correct name of the following ionic compound: CaO. Follow the correct naming rules we learned in class!
Question 4 options:

oxocalcium

monocalcium monoxide

calcium oxygen

calcium oxide