How does radioactivity make it possible to understand how earth can be so old and still have a hot interior?

Is water wet? Sounds like a silly question, but would be cool to know.

If a neutral atom has 12 electrons, how many can be used for creating bonds? A. 12 B. 1 C. 2 D. 4

Identify the sets of quantum numbers that describe all the electrons in the ground state of a neutral beryllium atom, be. each set is ordered (n,ℓ, mℓ, ms)

It is possible to increase a reaction rate by adding very small amounts of a catalyst, and this is because ... A. The catalyst is used over and over again during the reaction. B. Only a small amount of catalyst is needed to increase temperature. C.

How many valence electrons are in fluorine?

Make a list of physical changes and chemical changes that you observe or see effects of in the school

Which equation obeys the law of conservation of mass? H2 (g) + O2 (g) → H2O (g) H2 (g) + O2 (g) → H2O (g) + 4He (g) 2H2 (g) + O2 (g) → 2H2O (g) H2 (g) → H2O (g) H2 (g) + O2 (g) → 2H2O (g)

Which statement is true about sodium chloride (NaCl) ? It is a salt because it decreases the concentration of metallic ions. It is an acid because it is formed by the reaction of a salt and an acid.

After pyruvate oxidation, the chemical energy of how many carbons of the original glucose molecule is converted to chemical energy in the form of atp in the remaining steps of cellular respiration?

What do you call all elements that are clearly not metals? ? nonmetals ? metalloids