The elements that contain electrons in an F sublevel near the highest occupied energy level are referred to as?

A. Alkali metals

B. Alkali earth metals

C. transition metals

D. inner transmission levels

What did rutherford discover that thomson did not understand? A) that an atom's electrons took up as much space as its nucleus.

What is the pH of a buffer solution that is 0.59 M pyridine and 0.30 M pyridinium bromide? (Assume the value of Kw is 1.0 10-14.)

Which of the following is not a correct chemical equation for a double displacement reaction?

Which is not a characteristic of most nonmetals? Their atoms lose electrons when bonding with metal atoms. Their atoms gain electrons when bonding with metal atoms. Their atoms share electrons with other nonmetal atoms.

What do you call the element series from atomic number 57-71

1) Explain why oxygen is a fairly reactive element while neon is not. 2) Explain why beryllium loses electrons when forming ionic bonds, while sulfur gains electrons. 3) Explain why fluorine and chlorine have similar reactivities (Hint.

You add heat to matter, the atoms that make up the matter will begin to move?

What is the h2 h2o molar ratio?

Which of earth's systems was most affected by fossilized dinosaurs? A. Biosphere B. Hydrosphere C. Lithosphere D. Atmosphere

What factors are used to determine whether a bond will be polar or nonpolar? And what factors are used to determine whether a molecule will be polar or nonpolar?