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Author Archives: Anonymous

Potassium has_____________valence electron(s).

Potassium has_____________valence electron(s).

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The correct name of the compound  NCl3 is

The correct name of the compound  NCl3 is

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The formula for a molecule formed from Na and O would be.

The formula for a molecule formed from Na and O would be.

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The name for Cu(NO2)2 is:

The name for Cu(NO2)2 is:

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 The strongest interactions between atoms of helium, He, are…

 The strongest interactions between atoms of helium, He, are examples of

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Sulfur has 16 valence electrons.

Sulfur has 16 valence electrons.

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Write the chemical name for each chemical formula. MgSO4[nam…

Write the chemical name for each chemical formula. MgSO4[name1] Mg(HSO3)2[name2]

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Classify the following elements as metals, nonmetals or meta…

Classify the following elements as metals, nonmetals or metalloids.  sulfur and silicon

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On a hot day, the thermometer read 95 °F. What is the temper…

On a hot day, the thermometer read 95 °F. What is the temperature in degrees Celsius? F=1.8C+32

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It takes 50. cal to raise the temperature of 10. g of water…

It takes 50. cal to raise the temperature of 10. g of water by 5.0 °C.  Specific Heat of water = 1 cal/g°C

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