For each electronic configuration given, choose the electronic configuration of the element that would match its chemical properties.
(1) 1s²2s²2p⁶3s²

a) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶
b) 1s²2s²2p⁶3s²3p³
c) 1s²2s²2p³
d) 1s²2s²

(2) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

a) 1s²2s²2p⁶3s²
b) 1s²2s²
c) 1s²2s²2p⁶
d) 1s²2s²2p⁶3s²3p³

(3) 1s²2s²2p³

a) 1s²2s²2p⁶
b) 1s²2s²
c) 1s²2s²2p⁶3s²3p³
d) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶

Smog is the term used to describe the combination of fog and smoke

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate