What is the mass of this atom?

Option C is the correct option

Explanation:

Proton = 3

Neutron = 4

To find : Atomic mass

Atomic mass is the total number of protons and neutrons present in an atom of an element.

So, Atomic mass = Proton + Neutron

= 3 + 4

= 7

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answer: option (b) is the correct answer.

explanation:

a covalent bond is formed by sharing of electrons. whereas polarity arises due to difference in electronegativity of two atoms.

therefore, more is the electronegativity of an atom which combines with the titanium, more readily it will induce a partial positive and negative charge.

thus, out of the given options fluorine is most electronegative and has an incomplete octet. therefore, it will readily combine with titanium to share the electrons and complete its octet.  

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