Which is an element

A. H2O

B NaCl

C Mg

D CO

If 41grams of water at 24°C absorbs 2208 J of heat energy, what will be the final temperature of the water?

What is sugar syrup candy

Which term is described as a flat expanse of ocean floor

What is a major element found in our bones

Is erasing a pencil mark a chemical or physical change?

How much greater is the energy produced by a fusion reaction compared to a chemical reaction?

True or false. A bond between a metal atom and a nonmetal atom is likely an iconic bond

What is a precipitate? It is a liquid that forms from solution during a chemical reaction. It is a reactant that forms from solution during a chemical reaction. It is a solid that forms from solution during a chemical reaction.

The electron configuration for an atom is 1s22s22p2. How many electrons does the atom have? 4 2 6 5

When a piece of sodium carbonate reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then the solution turns milky and a white precipitate Y is formed a. Write the chemical formula of X, Y and (3) b.