Question

the first 20 elements classified into metal,non mentals and metalloids

Answer 1

Answer: As you can see, Lithium, Beryllium, Sodium, Magnesium, Aluminum, Potassium, and Calcium are metals out of the first 20 elements. Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorus, Sulfur, Chlorine, and Argon, are non-metals within the first 20 elements.

Answer 2

Answer:

Metals: Lithium, Beryllium, Sodium, Magnesium, Aluminum, Potassium, and Calcium

Non-metals: Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorus, Sulfur, Chlorine, and Argon

Metalloids: Boron and Silicon

Hope it will help you