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what does atomic number describe?

a. mass

b. number of neutrons

c. number of protons

d. atomic weight
what is the number of protons plus the number of neutrons in the nucleus of an atom equivalent to?

a. atomic charge

b. mass number

c. atomic number
d. average atomic mass

1 is c 2 is b

Explanation:

because atomic number is the number of protons in a nucleus

2..because the number of protons plus number of neutrons is equal to mass number.

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.