GROWTH DEVELOPMENT CHILD
FORMATIVE ASSESSMENT
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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coefficent
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chemical formula
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Oxygen
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atom
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Detailed explanation-1: -Empirical formulas depict the simplest whole-number ratio of atoms in a compound, whereas molecular formulas depict the number of each type of atom in a molecule and structural formulas depict how the atoms in a molecule are bonded to each other. Thus, A chemical formula is like a recipe for a chemical substance.
Detailed explanation-2: -A chemical formula shows the elements that make up the compound and the numbers of atoms of each element in the smallest unit of that compound, be it a molecule or a formula unit. Knowing the names of the elements and a few basic rules allows us to name simple compounds given the chemical formula.
Detailed explanation-3: -A balanced chemical equation provides the same kind of quantitative information that a recipe does. How is a balanced equation like a recipe? Chemists use balanced chemical equations as a basis to calculate how much reactant is needed or product is formed in a reaction.
Detailed explanation-4: -A chemical formula tells us the number of atoms of each element in a compound. It contains the symbols of the atoms of the elements present in the compound as well as how many there are for each element in the form of subscripts.