The nonmetals in Groups 5A, 6A, and 7A

A. lose electrons when they form ions.

B. form positively charged ions.

C. form ions with charges of 3–, 2–, and 1–, respectively.

D. form ions with a numerical charge equal to their group number.

Question

The nonmetals in Groups 5A, 6A, and 7A

A. lose electrons when they form ions.	

B. form positively charged ions.	

C. form ions with charges of 3–, 2–, and 1–, respectively.	

D. form ions with a numerical charge equal to their group number.

anonymous · Answer

a is the wrong option i think C is the correct one

sumeer · Answer

yes u r right i think

anonymous · Answer

Which of the following has a noble gas electron configuration?

A. Na	

B. Mg+	

C. Al3+	

D. Br

anonymous · Answer

i think for this the answer is D

sumeer · Answer

why? (maybe firstly, i should have said that i took lectures non-english)

chmvijay · Answer

is it Br or Br -

sumeer · Answer

atoms in 1 to 4 groups gain electrons to make their outer shell 8. so correction: Na+2, Mg+2, Br-. Al+3 has a noble gas electron configuration. ok?

.sam. · Answer

@sumeer Na+

sumeer · Answer

sorry, u r right it is in 1A, thnx

.sam. · Answer

np :)

.sam. · Answer

@LilySwan So, do you know what's the answer?