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Dennis_Churaev [7]
3 years ago
13

On which energy level are the valence electrons for calcium (Ca) ?

Chemistry
1 answer:
zhannawk [14.2K]3 years ago
7 0
The fourth (last) one in 2-8-8-2.
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2 grams

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One MOLE of hydrogen atoms contains the same number of atoms as the number of hydrogen molecules in one MOLE of hydrogen molecules, i.e., Avagadros number. However, one mole of hydrogen atoms has a mass of 1 gram while one MOLE of hydrogen molecules has a mass of 2 grams.

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What is the independent variable when testing to see how the viscosity of a liquid affects its flow rate
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The viscosity of the liquid is the independent variable. The flow rate is the dependent variable in this hypothesis.

The statement given is called the hypothesis. It is a form of scientific guess into a phenomenon.

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  • It is therefore the independent variable.
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