State the suitable scientific terms related to following:
A. A positively charged sub atomic particle.
B. A gas having a stable electronic arrangement. (Example not accepted).
C. The sum of protons and neutrons.
D. A chemical reaction when heat is given out.
E. symbolic representation of chemical reaction.
Answers
Answer:
A- A proton is a subatomic particle with a positive electric charge. ... The SI unit known as the atomic mass unit, abbreviated amu, is used to express the masses of subatomic particles. Scientists assign each proton a mass of 1 amu and symbol 'p. ' All protons are identical, no matter from which kind of element they come.
B- In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.
C- The atomic mass or mass number is the sum of the number of protons and nuetrons.
D- An exothermic reaction is a chemical reaction that releases heat. It gives net energy to its surroundings.
E- A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and formulae, where in the reactant entities are given on the left-hand side and the product entities on the right-hand side.
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