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When an element tends to lose its valence electrons in chemical reactions , it behaves more like a When an element tends to gain valence electrons in chemical reactions, it behaves more like a Elements that have an intermediate sumber of valente electrons behave more like metals if they are v in a group, and more like nonmetals if they are in a group. If they are they will behave like metanoids with a combination of both characteristics .

Answer :

Answer:

1. metal

2. nonmetal

3. lower

4. higher

5. in the middle

Explanation:

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Metals tend to loose electrons in chemical reactions. Nonmetals gain electrons in chemical reactions. Elements that have intermediate number of valence electrons behave more like metals when they are lower in the group and more like nonmetals when the are higher in the group. If they are in the middle, they will behave like metalloids.

The periodic table is composed of metals, nonmetals and metalloids. Metals are electropositive hence they tend to loose electrons in chemical reactions.

Nonmetals have higher electron affinity hence they gain electrons in a chemical reaction.

In a particular group of elements that have  intermediate number of valence electrons (such as group 14); metals are found at the lower portion of the group while nonmetals are found at the higher portion of the group.

Elements having intermediate properties are found in the middle and are called metalloids.

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