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melamori03 [73]
3 years ago
9

How many valence electrons does each of the following atoms have?

Chemistry
1 answer:
Zolol [24]3 years ago
6 0
Which atoms?  ~~~~~~~~~~~~~~~~~~~~~~~~~`
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A. equation

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2 years ago
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Day and night are caused by... 1.the tilt of Earth's axis. 2. Earth's revolution around the sun. 3. eclipses. 4.Earth's rotation
Kryger [21]

Answer:

earths rotation on its axis

Explanation:

Day and night are due to the Earth rotating on its axis, not its orbiting around the sun. The term 'one day' is determined by the time the Earth takes to rotate once on its axis and includes both day time and night time.

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How many grams of Mg are needed to produce 224 g of MgO in the complete reaction of Mg
zmey [24]

Answer:

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Explanation:

reaction:

2Mg + O2 ➡️ 2MgO

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mass = 5.6 × 24

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