Choose the false statement about an object that has mass.

A) it has volume

B) it must be heavy

C) it takes up space

Which element has an ion that is smaller than an ion of calcium? potassium strontium cesium magnesium

What is the difference between mass number and atomic mass (sometimes also called atomic weight) ? Boron has an atomic mass of 10.811. What does this mean?

Properties volume to solid

What can be absorbed or produced as the result of a chemical reaction?

The bond between which two atoms has the greatest degree of polarity

Describe a change caused by kinetic energy as well as a change caused by potential energy.

Which is more concentrated, a solution (1) prepared by dissolving 21.0 g of naf (0.500 mol) in enough water to make 500 ml of solution or a solution (2) prepared by dissolving 10.5 g (0.250 mol) of naf in enough water to make 100 ml of solution?

Hi i need hel does any one know what P3N2 means?.-.

How does thermal energy transfer when a room is heated by a furnace?

De que está echo nuestro sol