What are the nonmetals in the first 20 elements?

Hydrogen, Helium, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Phosphorous, Sulphur, Chlorine, and Argon are the non-metals in the first twenty elements.

What are the 16 non-metals?

Nonmetals include the nonmetal group, the halogens, and the noble gases….List of Nonmetals.

NUMBER SYMBOL ELEMENT
10 Ne Neon
15 P Phosphorus
16 S Sulfur
17 Cl Chlorine

What are 20 elements on the periodic table?

The elements of the periodic table sorted by atomic number

Atomic number Name chemical element Symbol
18 Argon Ar
19 Potassium K
20 Calcium Ca
21 Scandium Sc

How many elements are non-metals?

Seventeen elements
Seventeen elements are generally classified as nonmetals; most are gases (hydrogen, helium, nitrogen, oxygen, fluorine, neon, chlorine, argon, krypton, xenon and radon); one is a liquid (bromine); and a few are solids (carbon, phosphorus, sulfur, selenium, and iodine).

Are there six elements which are non metals?

The fourteen elements effectively always recognized as nonmetals are hydrogen, oxygen, nitrogen, and sulfur; the corrosive halogens fluorine, chlorine, bromine, and iodine; and the noble gases helium, neon, argon, krypton, xenon, and radon.

What are the examples of non metal elements?

Non-metals are defined as the elements which easily form negative ions by accepting electrons and do not conduct heat and electricity. The best examples of non-metals were carbon and oxygen which is responsible for life on this earth.

What are elements called the non metals?

Very few elements in the periodic table are non-metals. These are present on the right-hand side in the periodic table. Elements that come under non-metals are sulphur, carbon, all halogens, phosphorus, hydrogen, oxygen, selenium, nitrogen and noble gases.

How many elements are non metals?

There are 7 elements that belong to the nonmetals group: Hydrogen (sometimes considered an alkali metal) Carbon Nitrogen Oxygen Phosphorus Sulfur Selenium