Which list of elements consists of a metal, a metalloid, and a nonmetal? a
O, S, Te
b
Sn, Si, C
c
Cr, Mo, W
d
Li, Na, R

Why is nh3 classified as a polar molecule

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy