Which element has the second highest electronegativity?

What happens to the motion of molecules when temperature decreases

What happens when plate tectonic forces cause a break in the layers of the earth?

How many grams of Ar are there in 2.25 moles of Ar?

A solution containing AgNO3 is mixed with a solution of NaCl to form a solution that is 0.10 M in AgNO3 and 0.075 M in NaCl. What will happen once these solutions are mixed? Ksp (AgCl) = 1.77 * 10-10.

Given that Avogadro's number is 6.02 X 1023. Calculate the number of molecules present in 100.0moles of Nitrogen gas - N2 (g).

Why is hydrogen bonding only possible with hydrogen? Hydrogen is the most electronegative element. Hydrogen's nucleus is electron deficient when it bonds with an electronegative atom Hydrogen tends to form covalent bonds.

What is the temperature at which a solid melts? a physical property a chemical property a chemical change a physical change

How is an oxidation half-reaction written using the reduction potential chart? How is the oxidation potential voltage determined?

Which represents an empirical formula? A. C2H4 B. B2H6 C. Al2O3 D. C6H6

How many atoms of magnesium are in a 134 gram sample of magnesium?