What is the density of a substance with a mass of 25.3 grams and a volume of 3.2 cm^3

What is the water table? A. a flat, table-like body of water B. the bottom surface of underground water C. the bottom layer of water in oceans, lakes, and rivers D. the upper surface of underground water

Are all elements abbreviated withh one or two letters? if not, name some that aren't.

What type of reaction is carbon dioxide gas combining with water with water?

A homogeneous mixture of nitrogen gas and oxygen gas will have the same chemical properties as a compound formed from nitrogen gas and oxygen gas. True False

What is the number of electrons in an atom that has 20 protons and 17 neutrons

Which requires the removal of heat, melting or freezing? Is it evaporation? What is it? Why?

Waves are the major force of erosion along coasts

Cup A and cup B are identical. They contain equal volumes of soup at equal temperatures. Both cups are put in a refrigerator. Cup A has a lid, but cup B does not. Which statement best explains why cup A will cool more slowly than cup B? A.

Water is intentionally present in a state where its molecules are far apart during a change of state is molecule slow down which change of state has most likely taking place

What determines the definite energies of electrons?