Question

write atomic number and symbol of sodium.​

Answer 1

Explanation:

atomic no. of sodium is 11

symbol of sodium is Na

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Answer 2

Answer:

1)Sodium

Chemical element

Atomic number: 11

Symbol: Na

2)the name derives from the English soda and Latin sodanum for "headache remedy". The symbol Na derives from the Latin natrium for "natron" (soda in English). Sodium was discovered in 1807 by the English chemist Humphry Davy from electrolysis of caustic soda (NaOH).

3)Sodium is a chemical element with the symbol Na (from Latin natrium) and atomic number 11. It is a soft, silvery-white, highly reactive metal.

4)........ 23

Explanation: A nucleon is a proton or a neutron. We know that the mass number of an element is given by the total sum of its protons and neutrons, i.e. its nucleon number. And so, sodium- 23 's nucleon number will be 23 , as its mass number is 23 .

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