The periodic table provides information about the atoms of different elements. Which is a characteristic of an atom determines what element it is?
A B C D
number of neutrons number of protons state of matter atomic mass
Question: The periodic table provides information about the atoms of different elements. Which is a characteristic of an atom determines what element it is?
(A) number of neutrons
(B) number of protons
(C) state of matter
(D) atomic mass

Answer: (B) number of protons
Answer: (D) atomic mass
Question: The periodic table provides information about the atoms of different elements. Which is a characteristic of an atom determines what element it is?
(A) number of neutrons
(B) number of protons
(C) state of matter
(D) atomic mass
Answer: (B) number of protons