(02.06 LC) A substance is present in the gaseous state at room temperature. Which of the following best explains the probable position of the substance in the periodic table?

(02.03 MC) An electron moved from shell n = 2 to shell n = 1. What most likely happened during the transition?

(02.06 MC) Describe the properties of alkali metals. Based on their electronic arrangement, explain whether they exist alone in nature.

(02.08 MC) Which of the following explains how Marie and Pierre Curie tried to influence the use of their discovery?

(02.01 LC) Which of the following provides evidence to support Thomson’s hypothesis about electrons?

(02.05 LC) How many orbitals are in the d sublevel?

(02.05 MC) How many electrons in an atom can have the quantum numbers n = 4, l = 0, ml = 0, ms = +?

(02.02 MC) Which of the following methods can be used to identify the suspected use of heat lamps in a house without entering the house?

(02.08 MC) Which of the following explains how Hahn, Strassman, and Meitner tried to influence the use of their discovery?

(02.01 MC) The table shows the charge on three unknown subatomic particles. Charged Particles Particle Charge on Particle A Positive B No charge C Negative Which particle is most likely present in the nucleus of the atom?