Write the names of elements from atomic number 1to20
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Answered by
1
Answer:
hydrogen, helium lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminum, chlorine, argon, potassium, calcium .
Answered by
3
Answer:
Hydrogen
Helium
Lithenium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
Sodium
Magnesium
Aluminum
Silicon
Phosphorus
Sulphur
Chlorine
Argon
Potassium
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