Chemistry help please asap

1. which pair of atoms/ions has the most nearly identical properties

a. Neutral Li and neutral Be
b. Neautral Cl and neutral Br
c. Neutral Na and Na+
d. Carbon-12 and Carbon-13
e. Neutral F and F-

2. What statement regarding Quantum numbers is false?

a. The angular momentum quantum number also has letters designations
b. The spin quantum number has values of ether +1 or -1
c. The principle quantum number has only integer values.
d. The magnetic quantum number has its values restricted by the "1" quantum number
e. the magnetic quantum number is represented by "m"


Any help appreciated. Thnks in advance.

1. which pair of atoms/ions has the most nearly identical properties

The answer: d. the isotopes of C will be the most nearly identical.

2. What statement regarding Quantum numbers is false?

b. The response given is false. The spin quantum number has values of +1/2 and - 1/2

All other answers are correct.

Hope this is helpful to you. JIL HIR