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Delicious77 [7]
2 years ago
12

Cho biết X, Y (ZX < ZY) là hai nguyên tố mà lớp vỏ nguyên tử có electron cuối cùng điền vào phân lớp 4s.

Chemistry
1 answer:
deff fn [24]2 years ago
4 0
Can you please translate it to english?
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