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yuradex [85]
3 years ago
6

I need help with two questions.

Chemistry
2 answers:
vodomira [7]3 years ago
8 0

Answer:

1) their atomic numbers

2) periodic table

shusha [124]3 years ago
3 0

Answer: They are organised by the atomic number.

HOPE IT HELPS YOU

HAVE A GOOD DAY ❤️☺️

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