What kind of solid often has the highest melting points?

a.) solids made of nonpolar molecules
b.) solids made of atoms
c.) solids made of ionic bonds
d.)solids made of polar molecules

Acylinder is filled with 2.00 moles of nitrogen, 3.00 moles of argon and 5.00 moles of helium. if the gas mixture is at stp, what is the partial pressure of the argon

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

The element that has the greatest electronegativity is