Which process involves mass movement within a substance?

a. conduction

b. convection

c. radiation

d. reflection

In the process of covalent bonding, atoms share electrons. This means that * a) Electrons from each atom are attracted to the nucleus of both atoms b) Protons and neutrons attract c) Atoms lose electrons and become ions d) Atoms gain electrons and

Why is rain water always somewhat acidic? Select all that apply! a. Because the carbon dioxide in the air mixes with it to form carbonic acid. b. Because the carbon dioxide levels in the atmosphere are at an all-time high. c.

What is love and why is it important?

Ammonium perchlorate is the solid rocket fuel used by the U. S. Space Shuttle. It reacts with itself to produce nitrogen gas, chlorine gas, oxygen gas, water, and a great deal of energy. What mass of water is produced by the reaction of 9.

Which microscope uses electrons to study the surface of an object?

Water is A. Acidic B. Basic C. Neutral

What variables affect the acceleration of an object and in what manner do they affect the acceleration?

How do valence electrons relate to the chemical reactions of an element?

What is the weighted-average mass of all known isotopes for an element

What is the Celsius equivalent of 212°f