Trắc nghiệm: Most oxygen atoms have eight neutrons. but a small amount have nine or ten. | Gửi trắc nghiệm |
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Most oxygen atoms have eight neutrons. but a small amount have nine or ten.
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CenaZero♡ - 05/09 23:33:12
Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.Most oxygen atoms have eight neutrons, but a small amount have nine or ten. (Tiếng Anh - Lớp 12)
Nguyễn Thu Hiền - 04/09 18:42:44