What is the formula for the compound formed by Ca2+ and N3-? NCa
Ca3N2
O Can
O N2Caz
O N3Ca2
O CazN3

What type of solution is formed if 10 g of kclo3 are dissolved in 100g of water at 30

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.