chemical formula and how it is written?
Answers
Explanation:
0. A letter of English alphabets is chosen at random. What is the probability that it is a letter of the word ‘MATHEMATICS’?
Answer:
The first component in the formula is simply identified with the element name.
The second component is named by taking the name of the element stem and adding the -ide suffix.
The number of atoms in a molecule is determined using a scheme of numerical prefixes.
Explanation:
Convention used in Writing Chemical Equations.
Four conventions are used to write chemical equations.
1. The correct formulas of the reactants are always written on the left side of the equation.
CaS + H2O → CaO + H2S
The correct formulas of the products are always written on the right side of the equation.
CaS + H2O → CaO + H2S
The reactants and products are separated by an arrow pointing toward the products.
CaS + H2O → CaO + H2S
This arrow means “to produce“.
Plus signs are used to separate different reactants or different products.
CaS + H2O → CaO + H2S
Plus signs on the reactant side of the equation mean “reacts with” and plus signs on the products side mean “and”.
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