More then 97% of earth's total water supply is found in?

A. Ice sheets B. the oceans C. the atmosphere D. groundwater

How is the number of covalent bonds an atom can form determined? By the number of valence electrons. By the number of nuclear protons. By the total number of electrons. By the charge of the polyatomic ion. Description

Two liquids, A and B, have equal masses and equal initial temperatures. Each is heated for the same length of time over identical burners. Afterward, liquid A is hotter than liquid B.

A radioactive nuclide has 53 protons and 78 neutrons. Which is the symbol of this nuclide? Superscript 53 subscript 78 upper I. Superscript 78 subscript 53 upper P t. Superscript 131 subscript 78 upper P t. Superscript 131 subscript 53 upper I.

The volume of a gas is 22 mL at 44°C and 0.905 atm. What will the volume be at 17°C and 0.999 atm? Answer in units of mL.

How are freezing and condensation alike? A Both describe ways a solid can change. B Both occur when particles of matter spread apart. C Both involve the addition of heat. D Both involve the loss of heat.

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?