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Schach [20]
3 years ago
9

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture: iron (Fe)

Chemistry
1 answer:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

A. Element

Explanation:

Iron (Fe), chemical element and one of the transition elements, the most-used and cheapest metal.

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Which of the following has the smallest atomic radius: Mg2+, Mg, Ca2+, or Ca?
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The appropriate response is Mg2+. It has the smallest radius the would mean the littlest separation from it's the furthest shell to the core 
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true or false does the octet rule state that all atoms want to have 8 valence electrons in the outer shell
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false?

Explanation:

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