Question

Define the following:


(a) chemical reaction

(b) Subatomic particles

(c) Nucleons


(d) Valency

(e) Product​

Answer 1

Answer:

A)

Explanation:

a) a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction.

b) any of numerous subatomic constituents of the physical world that interact with each other, including electrons, neutrinos, photons, and alpha particles.

Answer 2

Answer:

a)Chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds.

b)Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons.

c)The term nucleon is used to designate both protons and neutrons in the nucleus. The mass number A is the total number of nucleons.

d)Valency is the measure of the combining capacity of atoms or molecules.

e)Products are the species formed from chemical reactions.[1] During a chemical reaction reactants are transformed into products after passing through a high energy transition state.

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