What is the distance to the earth's horizon
from point P?
15.6 mi
3959 mi
3959 mi
Enter your answer as a decimal in the box.
Round only your final answer to the nearest
tenth
earth's center
X=
mi

☆ionisation energy increases across a period from na -> ar☆ionisation energy decreases down a group from li -> fr☆ionic radius decreases across a period from na -> cl☆ionic radius increases down a groupfrom f -> ii hope it clarifies your doubts

Ok so co(g) is not pronoused that. the only clue is that youpronouse it the oppisote way.