The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).
A balanced equation is an equation in which the number of atoms of all the molecules is equal on both sides of the equation is known as a balanced chemical equation. Law of conservation of mass governs the balancing of a chemical equation.
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Answer: But when it comes to the word atom, we have to go to ancient Greece of 400 B.C. And there was a brilliant philosopher named Democritus, and he proposed the Greek word atomos, which means uncuttable. And so as he explained, all matter was eventually reducible to discrete, small particles or atomos.
Explanation:
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Question: <span>Which of the following best describes the freezing of water?
negative change in enthalpy, low temperature and positive entropy
A. negative change in enthalpy, low temperature and negative entropy
B. positive change in enthalpy, low temperature and positive entropy
C. positive change in enthalpy,low temperature and negative entropy
D. negative change in enthalpy, high temperature and negative entropy.
Answer: It would be option A. </span>negative change in enthalpy, low temperature and negative entropy
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