Multiple Choice
Which statement explains why isotopes have different mass numbers?
A) Isotopes differ in the number of protons each contains.
B) Isotopes differ in the number of electrons each contains.
C) Isotopes differ in the number of neutrons each contains.
D) Isotopes differ in the number of protons and neutrons each contains.
E) Isotopes differ in the number of protons and electrons each contains.
Correct Answer:
Verified
Correct Answer:
Verified
Q57: Which two scientists in 1869 arranged the
Q58: Which period contains the element sodium?<br>A)one<br>B)two<br>C)three<br>D)five<br>E)eleven
Q59: Which of the following is a metal
Q60: What is FALSE about the three orbitals
Q61: What Group IA (1)ion has the electronic
Q63: What does the mass number minus the
Q64: Given that helium has an isotope 4<br>2
Q65: What is the ground state (shorthand)electron configuration
Q66: In the calcium atom represented by
Q67: Which of the following elements is most