Question

H, He, Li, Be, B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K.Какие из них являютсяметаллами, неметаллами и амфотерными???

Answer 1

металлы  Li, Be, Na, Mg,  K.

неметаллы  H, He, B, Ar, C, N, O, F, Ne, Si, P, S, Cl

амфотерны Al

Answer 2

Metals, Nonmetals, and Metalloids

The elements H, He, Li, Be, B, C, N, O, F, Ne, Na, Mg, Al, Si, P, S, Cl, Ar, K can be classified as metals, nonmetals, or metalloids based on their properties.

- Metals: - The elements Na, Mg, Al, Si, K are metals. - Nonmetals: - The elements H, He, B, C, N, O, F, Ne, P, S, Cl, Ar are nonmetals. - Metalloids: - The elements B, Si are metalloids.

It's important to note that the classification of elements can vary based on different sources and criteria.