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Physics, 05.01.2021 16:40 kendallnowell18

1. In the notation, 1s2, the number 1 represents the where electrons are located.
energy level
outer shell
2.
The four parts, or blocks, on the periodic table are , , d, and f.
s, p
a, b
3.
The 2 in 1s2 represents the number of located in that energy level.
electrons
protons

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1. In the notation, 1s2, the number 1 represents the where electrons are located.
energy le...
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