What element has one electron in its 4f sublevel?

Which pair of atoms is most likely to be covalently bonded? 1) Na and O 2) K and F 3) Ne and O 4) C and S

What are the three type of heat transfer?

Many esters have characteristic odors. Methyl salicylate exhibits a pleasant wintergreen odor. This ester can be prepared from salicylic acid and methanol via Fischer esterification.

Similarly between potential and kinetic energy

What is the pH of a 0.039 M solution of HCl

One light year is about 9 trillion kilometers. Arcturus is a star that is 37 light years from earth. If you are about 11 years old now, how old will you be when light that is leaving Arcturus today reaches earth?

What is melted rock and minerals found below earths crust

What do many bases have in common? A. They often release oxygen gas. B. They often form hydrogen ions. C. They often release hydrogen gas. D. They often form hydroxide ions.

What is 3 tenths+4tenths

A lunar eclipse can only occur at which lunar phase? And what about a solar eclipse?