Nuclear physicists have discovered over 100 different particles ...

[ssal]

Nuclear physicists have discovered over 100 different particles that compose the nucleus of an atom. From a chemistry perspective, the nucleus is best described as being composed of
 
  A) protons and neutrons packed tightly into a very small volume.
  B) protons and electrons packed tightly into a very small volume.
  C) neutrons and electrons packed tightly into a very small volume.
  D) protons, neutrons and electrons packed tightly into a very small volume.

Question 2

Acidic solutions ________.
 
  A) have a higher concentration of hydronium ions than hydroxide ions
  B) have a lower concentration of hydronium ions than hydroxide ions
  C) turn red litmus paper to blue
  D) colorize phenolphthalein solutions

[ktidd]

Answer to Question 1

A

Answer to Question 2

A

[ssal]

Excellent

[tandmlomax84]

TYSM