Which of the following terms best describes the nucleus of a radioactive element?

a. unchanging

b. explosive

c. unstable

d. energized

The emission line used for zinc determinations in atomic emission spectroscopy is 214 nm. If there are 6.

According to the collision theory and model created to explain the collision theory, what two factors must be satisfied for a given collision to be successful and result in the production of products? correct molecular shape and momentum.

Un-reactive elements include the last group of the periodic table.

What is the molar mass of a substance? A.) the mass in grams of one mole of a substance B.) the number of particles in one gram of a substance C.) the number of moles in one gram of a substance D.) the mass in grams of one particle of a substance

How many grams of copper (I) chloride can be produced from the reaction of 73.5 g of copper (I) oxide with hydrochloric acid according to the following reaction? Cu2O + 2 HCl à 2 CuCl + H2O

What is the chemical formula of a compound that is composed of the ions Ca2 + and br-

How many valence electrons in Al3+?

What can be done to make an solid solute dissolve faster in a liquid solvent

Why does the water cycle happen fast in some places and slowly in other places?

Why does the mood have phases