3 years ago

Elements in group 2 are called alkaine earthmetals what is most similar about alkaline earth metals

Chemistry

2 answers:

andreev551 [17]3 years ago

6 0

Shiny
Somewhat reactive
Standard temp. and pressure

Yuri [45]3 years ago

5 0

Answer: they have two electrons in their outermost electron layer

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how many milliliters of 1.50 m hno3 contain enough nitric acid to dissolve an old copper penny with a mass of 3.94 g?

Lerok [7]

Molar mass HNO₃ = 63.0 g/mol

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V = 0.0625 / 1.50

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3 years ago

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A pool owner adds a compound containing chlorine to the pool to disinfect it. However, too much of the compound is added. As a r

MrMuchimi

Answer: He could add a base to the pool to neutralize the acid.

Explanation:

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$Cl_2+H_2O\rightarrow HOCl$