Question

What is radioactivity?

What is electronegativit?

What is hydrogen atom?

What is atomic radius?

Answer 1

electronegativity describes the tendency of an atom to attract a shared pair

of electrons towards itself

Answer 2

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1.) In radioactive processes, particles or electromagnetic radiation are emitted from the nucleus. Nuclear radiation occurs in other forms, including the emission of protons or neutrons or spontaneous fission of a massive nucleus.

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2.) Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. The Pauling scale is the most commonly used.

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3.) A hydrogen atom is an atom of the chemical element hydrogen. Atomic hydrogen constitutes about 75% of the baryonic mass of the universe.

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4.) Atomic radius or Atomic Radii is the total distance from the nucleus of an atom to the outermost orbital of its electron.