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Damm [24]
4 years ago
5

Science.... homework!

Chemistry
1 answer:
Leokris [45]4 years ago
5 0
The answer to this question is 2 and 3
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A 4.80g piece of magnesium displaces 2.76 mL of water when it is placed in a graduated cylinder. What is the density of magnesiu
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6

What do AIA, SAG, AFP and AMA all stand for? Select four options.

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3 years ago
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Pic provided: Which part is the amine?
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The part which would indicate that this compound is amine is located in the upper part attached to the second carbon atom or the middle carbon atom. It is an NH2 attached to the carbon atom. Amine is a derivative of ammonia, where one hydrogen atom of the ammonia is being replace by an alkyl or aryl group. 
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4 years ago
Which diagram shows the correct distribution of electrons in the electron shells of magnesium atom?
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For Magnesium the distribution of electrons is the following; two electrons in shell one, eight in shell two, and two more in shell three.

Magnesium has an atomic number of 12. Now for the first 18 elements we know that the 3rd shell can hold 8 electrons, the 2nd 8 and the first 2.

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3 years ago
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Which of the following statements is INCORRECT?
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D a solid to a gas is called deposition.

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3 years ago
Which of the following ways can be used to measure reaction rate?
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the answer is b;

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