There are two valence electrons in a single atom of magnesium.
<span>Argon and chlorine are both gases at room temperature because they are non-metals.</span>
The answer to your question is D!
Yes you can. in order to do this however, you would need to observe the hummingbird and study it closely
Answer:
40.3 for the unit that represents the minimum amount of magnesium oxide I beilieve.
Explanation:
Magnesium atoms are heavier than oxygen atoms, so we expect more than 50% of magnesium in the weight composition. Taking just one atom of Mg and one atom of O you will get a mass of 16.0 + 24.3 = 40.3.
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