Answer:
B
Explanation:
the group number is=valence electrons. element 1 is in group 1 element 18 is in group 8. 1<8
South Pole and north Pole . it's about megnetic field different spheres of earth interact
The speed of light is 299,792,458 meters per second in vacuum.
It's somewhat slower in any material substance, and different in
each substance.
(That's 186,282.4 miles per second.)
Answer:
The empirical formula is N2 CH4 O
Explanation:
