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Biology, 16.10.2020 05:01 safiyyahrahman8937

Which two of the three elements have SIMILAR CHEMICAL PROPERTIES (valence electrons)? 1. Li - Na - Mg
2. F - Br - O
3. P - As - Se
4. Ra - Ba - Cs

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Which two of the three elements have SIMILAR CHEMICAL PROPERTIES (valence electrons)? 1. Li - Na -...
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