2. Neon and Argon are both elements in a group of similar elements called Noble Gases. What properties do these elements have that make them unique?
&
very reactive with other elements
Do
o
combine easily with other elements
&
they all emit an odor and have color in their natural state
they are odorless, colorless, and nonreactive
CLEAR ALL

Which statement best describes how atoms combine to form sodium chloride (nacl)? a. a positively charged sodium ion and a positively charged chlorine ion form an covalent bond. b. a positively charged sodium ion and a negatively charged chlorine ion form an covalent bond. c. a positively charged sodium ion and a positively charged chlorine ion form an ionic bond. d. a positively charged sodium ion and a negatively charged chlorine ion form an ionic bond.

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

What happens to isotopes that are unstable?