English, asked by sairajhanchate123, 10 months ago

what is first 20 elements in peroidic table?

Answers

Answered by sweetyheree

Explanation:

Hydrogen

Helium

Lithium

Beryllium

Boron

Carbon

Nitrogen

Oxygen

Flourine

Neon

Sodium

Magnesium

Alluminuim

Silicon

Phosphorous

Sulphur

Chlorine

Argon

Potassium

Calcium

These are required elements !!

Answered by Anonymous

Explanation:

the first 20 elements in periodic table are

1. Hydrogen, Helium ,Lithium ,beryllium, Boron ,carbon, Nitrogen ,Oxygen ,fluorine, neon, sodium ,magnesium, aluminium, Silicon, Phosphorus ,Sulphur ,chlorine, argon, potassium ,calcium......,............

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what is first 20 elements in peroidic table?​

Answers

what is first 20 elements in peroidic table?