Question

List the first tweenty element

Answer 1

Answer:

This is the answer u have asked 20 but I have given thirty , symbols, atomic number also I have given so please make me as brainlist

MAKE ME AS A BRAINLIST

Answer 2

These are the firsty20 elements ;list in order

1. H- Hydrogen-Hydrogen is the first element in the periodic table as its atomic number is 1. Hydrogen was discovered by HENRY CAVENDISH
2. He-Helium- helium is the second element in the periodic table its atomic number is 2. Helium is the lightest noble gas.
3. Li-Lithium-lithium is the third element in the periodic table its atomic number is 3. it is the lightest metal, and the lightest solid element.
4. Be-Beryllium-beryllium is the fourth element in the periodic table atomic number is 4.it is low density and atomic mass.
5. B-Boron- it is the fifth element in the periodic table its atomic number is 5.it is the rare light metal.
6. C-Carbon- it is the sixth elements in the periodic table its atomic number is 6.its one of the most abundant elements in the universe.
7. N-Nitrogen-it is the seventh element in the periodic table atomic number is 7.it is the tasteless, colourless, odourless gas.
8. O-Oxygen-it is the 8th element in the periodic table its atomic number is 8.oxygen has eight protons in the nucleus.
9. F-Fluorine-it is the 9th element in the periodic table its atomic number is 9.fluorine is the lightest halogen.
10. NE-Neon-it is the 10th element in the periodic table, atomic is 10.it is used in television sets and lasers.
11. Na-Sodium- it is the 11th element in the periodic table ,atomic number is 11.sodium solid at room temperature.
12. Mg-Magnesium-it is the 12th element in the periodic table, atomic number is 12.magnesium is also solid at room temperature.
13. Al-Aluminium-it is the 13th element in the periodic table ,atomic number is 13.it is a neutral element.
14. Si-Silicon-it is the 14th element in the periodic table, its atomic number is 14.silicon is widely used in computer chips and solar cells.
15. P-Phosphorous-it is the 15th element in the periodic table , its atomic number is 15.it is used in steel manufacturing etc..
16. S-Sulphur-it is the 16th element in the periodic table, its atomic number is 16.it is used for making car batteries, etc,...
17. Cl-Chlorine-it is the 17th element in the periodic element, its atomic number is 17.it is yellow green gas with a pungent smell.
18. Ar-Argon-it is the 18th element in the periodic table , its atomic number is 18.it is the third most abundant gas in the earth's atmosphere.
19. K-Potassium-it is the 19th element in the periodic table, its atomic number is 19.it is also solid at room temperature.
20. Ca-Calcium-it is the 20th element in the periodic table ,its atomic number is 20.it is fifth most abundant element in the earth's crust.