Question

Arrange the following in the increasing order of atomic number
Calcium, Silicon, Boron, Magnesium, Oxygen, Helium, Neon, Sulphur, Fluorine and Sodium

Answer 1

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The elements in the increasing order of atomic no.
Helium,Boron,Oxygen,Neon,Sodium, Magnesium,Calcium,Silicon,Sulphur.

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Answer 2

Dear Student,

◆ Answer -

Given elements can be arranged in increasing order of atomic numbers as -

1. Helium
2. Boron
3. Oxygen
4. Fluorine
5. Neon
6. Sodium
7. Magnesium
8. Silicon
9. Sulphur
10. Calcium

# Extra information -

• Atomic number of an element is the number of protons or electrons in the atom.
• It is denoted by letter Z.
• Atomic number is basis for arrangement of elements in modern periodic table.

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