Characterize EACH of the Following Statements as Being TRUE or FALSE

Multiple Choice

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) Most of the mass of an atom is concentrated in its nucleus.
(2) Sufficient information is present on a "standard" periodic table to determine the number of neutrons present in atoms of an element.
(3) An atom whose electron configuration is 1s²2s²2p⁶3s¹ contains 12 electrons.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.