Chemistry, 16.10.2019 15:00 jholland18
The element calcium is in period 4 on the periodic table. in which energy level are its outermost electrons?
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Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
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What does a numerical subscript following an element in a chemical formula mean?
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Chemistry, 23.06.2019 11:30
What makes up a film badge? layers of photographic film covered in black paper. an electrolyte paste spread across a plastic sheet. a thin film of salts and other chemicals on clear acetate. a panel of photographic film exposed to the air. ✓
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The element calcium is in period 4 on the periodic table. in which energy level are its outermost el...
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