Which substance represents a compound? (1) C (s) (3) CO (g) (2) Co (s) (4) O2 (g)

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?

What is the electron pair arrangement around the central atom in the molecule IF5? A.) Trigonal pyramidal B.) Square Planar C.) Octahedral D.) Square Pyramidal

Which statement best summarizes the importance of Ernest Rutherford's gold foil experiment? It proved that all of John Dalton's postulates were true. It verified J. J. Thomson's work on the atomic structure.

Is it rare to prove a hypothesis as incorrect through experimentation

Calculate the mass of NaF that must be added to 300ml if a 0.25m HF solution to form a buffer solution with a ph of 3.5

Can dowels be chopsticks, since both of them are wood?

Which electron configuration represents the electrons in an atom of Ga in an excited state?

Why are there so many volcanoes in and around japan

A liquid fuel mixture contains 30.35% hexane (c6h14), 15.85% heptane (c7h16), and the rest octane (c8h18). what maximum mass of carbon dioxide is produced

What is the suns color