What is the electron configuration of an element with atomic number 15? a. 1s2 2s2 2p6 b. 1s2 2s2 2p6 3s2 3p5 c. 1s2 2s2 2p6 3s2 3p3 d. 1s2 2s2 2p6 3s2 e. 1s2 2s2 2p6 3p3 3s2 3p1.

Classify each action depending on whether it will meet or fail to meet the goals of the organization. a group of students form a healthy earth club at their school. their goal is to limit their school’s impact on human-led climate change. they brainstormed a list of actions they can take to meet this goal.