write electron configurations for the elements that are identified only by these atomic numbers?

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write electron configurations for the elements that are identified only by these atomic numbers?

write electron configurations for the elements that are identified only by these atomic numbers

a. 15
b. 12
c. 9
d. 18

2007-02-08 10:44:24 · 3 answers · asked by aaaaa 2 in Science & Mathematics ➔ Chemistry

3 answers

well each shell has eight electrons... except the first which has two and then the atomic number stands for the number of protons which is equal to the number of neutrons so yeah

2007-02-08 10:52:10 · answer #1 · answered by G 0324 2 · 0⤊ 1⤋

Electron Configuration of Calcium Ion: 1s2 2s2 2p6 3s2 3p6 Electron Configuration of Calcium: 1s2 2s2 2p6 3s2 3p6 4s2

2016-05-23 22:54:02 · answer #2 · answered by Kerry 4 · 0⤊ 0⤋

A. 1S2 2s2 2p6 3s2 3p3
B. 1s2 2s2 2p6 3s2
C. 1s2 2s2 2p5
D. 1s2 2s2 2p6 3s2 3p6

2007-02-08 10:51:16 · answer #3 · answered by Nabiha... 4 · 0⤊ 0⤋