Question

Among the following the element with odd atomic number is
a) Carbon
b) Magnesium
c) Aluminium
d) Sulphur

Answer 1

Answer:

b) Aluminium

Explanation:

Aluminium atomic number is 13. as 13 is a odd number

Answer 2

Aluminium is the element with an odd atomic number (option-c).

• An atom is made up of electrons, protons, and neutrons.
• Electrons revolve around the nucleus of an atom and proton and neutrons constitutively form the nucleus of an atom.
• Atomic number of an element is the number of protons present in its atomic nucleus.
• Atomic number is denoted by the symbol "Z".
• Carbon has atomic number 6 which is an even number.
• Magnesium has an atomic number, Z= 12 which is an even number.
• Atomic number of sulphur is 32, which is also an even number.
• Atomic number of Aluminium is 13 and 13 is an odd number.