Respuesta :
Answer;
Groups 14 and 15 each contain metals, nonmetals, and metalloids while Group 13 contains metals and a metalloid, and Group 16 contains metalloids and nonmetals.
Explanation;
- Groups 13–16 of the periodic table contain one or more metalloids, in addition to metals, nonmetals, or both.
- Unlike other groups of the periodic table, which contain elements in one class, groups 13–16 referred to as mixed groups contain elements in at least two different classes. In addition to metalloids, they also contain metals, nonmetals, or both.
- Group 14 also known as the carbon group contains carbon which is a non metal, silicon and germanium which are metalloids and tin and lead which are metals.
- Group 15 also known as the Nitrogen group contains non metals such as oxygen, metalloid tellurium and a metal polonium.
Groups 14 and 15 should comprise of metals, nonmetals, and metalloids while on the other hand Group 13 comprise metals and a metalloid, and Group 16 comprise metalloids and nonmetals.
Why group 14 and 15 are better than groups 13 and 16?
Groups 13–16 of the periodic table comprise of one or more metalloids. It refers to the mixed groups comprise of elements in at minimum two different classes. Group 14 also called as the carbon group comprise carbon which is a nonmetal, silicon, and germanium. Group 15 also called as the Nitrogen group comprise non metals like oxygen.
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