Which statement is true?
a.
–14 + 21 = –24 + 17
b.
16 + (–6) > 24 + (–13)
c.
–14 + (–10) > 2 + (–28)
d.
–10 + (–8) > –12 + (–4)

A) -14 + 21 = -24 + 17 is false. There is no solution.
B) 16 + (-6) > 24 + (-13) is false. There is no solution.
C) -14 + (-10) > 2 + (-28) is true. It has infinite solutions.
D) -10 + (-8) > -12 + (-4) is false. There is no solution.

 C

Element 17 is chlorine it is a group 7 element(halogen) and belongs to period 3 of the periodic table