5. What is the charge on a single proton?

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.

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond