Author Question: Nuclear physicists have discovered over 100 different particles that compose the nucleus of an atom. ... (Read 80 times)

ssal · **on:** Aug 27, 2018

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