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iogann1982 [59]
4 years ago
9

An atom's Lewis dot structure has two dots. Which of the following elements could it be, and why?

Chemistry
1 answer:
Fynjy0 [20]4 years ago
8 0

Answer:

The answer is D, Magnesium.

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If 1.85 g of Mg(OH)2 reacts with 3.71 g of HCl,
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Refer to the Chemical Compounds table above. How many total elements are in<br> Ethanol?
Korolek [52]

Answer:

3 element i.e carbon (C), hydrogen (H) and oxygen.

Explanation:

The following data were obtained from the question:

Subtance >>>>>>>> Chemical Formula

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4 years ago
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How many miles are in 8.73 *10^25 atoms of boron
Mnenie [13.5K]

The correct question is: How many moles are in 8.73 \times 10^{25} atoms of boron.

Answer: There are 145 moles present in 8.73 \times 10^{25} atoms of boron.

Explanation:

According to the mole concept, there are 6.022 \times 10^{23} atoms present in one mole of every substance.

Hence, number of moles present in 8.73 \times 10^{25} atoms is calculated as follows.

Moles = \frac{8.73 \times 10^{25}}{6.022 \times 10^{23}}\\= 1.45 \times 10^{2}\\= 145 mol

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5 0
3 years ago
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