What are covalent compounds composed of?
a. a metal and a metal
b. a metal and a non metal
c. a nonmetal and a nonmetal
d. an alkali metal and a nonmetal

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

If volume remains the same while the mass of a substance the density of the substance

The first step in creating a budget is a) getting a bank account. b) cutting back on expenses. c) knowing what your income is. d) listing all of your expenses.