Water is described as a polar molecule because it has:

A) A partial positive and a partial negative end

B) two positive end

C) two negative ends

D) no charge

When Na and Cl combine to form a compound, which atom (s) will become a cation? View the periodic table A. Na only B. Cl only C. both Na and Cl D. neither Na nor Cl

Give three examples of electroplating

3. Kinetic energy is a measure of the motion of ___. materials particles solids

a chemist determined by measurements that 0.0800 moles of calcium sulfide participate in a chemical reaction. Calculate the mass of calcium sulfide that participates.

Sublimation and boiling both happen at the surface of the substance. a. True b. False

The process by which DNA makes a complete copy of itself is called? A) Duplication B) Development C) Transcription D) Replication

The electron configuration 1s22s22p63s23p6 represents which noble gas?

What are some disadvantages of incinerators?

What mass of potassium chlorate would contain 40grams of oxygen?

Identical forces act for the same length of time on two different masses. The change in momentum of the smaller mass is A) smaller than the change in momentum of the larger mass, but not zero. B) zero.