Which of the following is the electron configuration of an electrically neutral atom of argon (ar)? (a) 1s² 2s² 2p5 (b) 1s² 3d¹⁰ 4f⁷ (c) 1s² 2s² 2p⁶ 3s² 3s⁶ (d) 1s² 2s1

Which states of matter have particles that move independently of one another with very little attraction?

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g

Which of these describes how heat is transferred by convection* a. sunlight travels through space without the aid of fluids or solids. b. warm air rises and takes the heat with it, eventually, it cools and sinks c. air at the equator rises and sinks at the poles. d. air molecules touch the warm ground, heating them up *not conduction