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ASHA 777 [7]
3 years ago
14

Identify each of the highlighted materials as an element, a compound, or a mixture, and explain your reasoning.

Chemistry
1 answer:
Reika [66]3 years ago
4 0

Answer:

These are compounds.

Explanation:

As it is formed by chemically bonding of two elements C ( carbon) and H (hydrogen) .

  1. Its not a mixture because mixture is Just dispersed of diferrent elements or a compound which are not in fix ratio
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Answer:

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Explanation:

According to periodic table, electronegativity increases across the period and decreases down the group.

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In this group of elements, nitrogen has the highest electronegativity because it has the least number of protons in the group. Increase in the number of protons decreases an elements electro negative value.

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Electronegativity increases across the period and decreases down the group while electropositivity decreases across the period and increases down the group.

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