help with this asap 

11.  The nucleus of an atom contains

a) positive electrons and neutral neutrons.

b) positive protons and neutral neutrons.

c) negative electrons and neutral neutrons.

d) negative electrons and negative neutrons.

12.  What type of ion does an acid generate when it is dissolved in water?

a) Hydroxide

b) Hydrogen

c) Nitrate

d) Nitrite

13.  Which of the following is not part of a neutralization reaction?

a) A salt

b) An acid

c) An indicator

d) A base

14. In an ionic bond

a) no electrons are given or taken.

b) electrons are exchanged.

c) electrons are shared.

d) electrons are eliminated.

15.  What is the pH of pure water?

a) 7

b) 0

c) 14

d) Below 7

16.  What determines the order of the elements in the modern Periodic Table?

a) Atomic size

b) Atomic mass

c) Number of neutrons

d) Number of protons