sariahieveryone
09.04.2021 •
Chemistry
4. Make a rule: Based on your data, how are elements arranged into chemical families?
5. Infer: Look at your periodic table. How many valence electrons would you find for elements
in each family?
Boron family:
Carbon family:
Neon family:
6. Think and discuss: How do you think the number of valence electrons relates to an
element's chemical properties?
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Ответ:
The bottle contains water, which is a compound made from two atoms of hydrogen and one atom of oxy- gen (H2O). ... This bottle also contains a compound of hydrogen and oxygen, hydrogen peroxide. But hydrogen peroxide has two hydrogen and two oxygen atoms (H2O2).