halogens
Group 7A (or VIIA) of the periodic table are the halogens: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Answer:
Which one? 1, 2, 3, 4 ,5, 6, or 7?
Explanation:
Answer:
= 17% (v/v)
Explanation:
% by Volume = (Volume HCl / Volume of Solution)100%
= 15ml/(75ml + 15ml) x 100% = 16.66666667% (calculator answer)
= 17% (v/v) 2 sig figs. based on volume values given.
Answer: It would take 300 light years to reach Earth.
Explanation:
Answer:
a solid forms, and there is a change of color.
Explanation:
