chemical formula definition

Chemical formula

Such a formula might be written using real numbers as in Fe 0 95 O or it might include a variable part represented by a letter as in Fe 1–x O General forms for organic compounds The chemical formula used for a series of compounds that differ from each other by a constant unit is called a general formula

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Chemical formula definition by Babylon's free dictionary

Definition The format for the chemical formula is based on the reported formula from the literature source for the mineral In many cases the formula is base on the structural interpretation of the mineral especially the silicates The chemical formula is closely matched to the mineral's crystallographic unit cell dimensions and Z value

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Chemical compound

chemical compound: 1 A substance consisting of two or more chemical elements in specific proportions and in chemical combination for which a chemical formula can be written Examples include water (H 2 O) and salt (NaCl) 2 A substance that can be separated chemically into simpler substances See also: compound

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Chemical formula Facts for Kids

The sugar molecule glucose has six carbon atoms twelve hydrogen atoms and six oxygen atoms so its chemical formula is C 6 H 12 O 6 Chemical formulas are used in chemical equations to describe chemical reactions The 19th-century Swedish chemist Jns Jacob Berzelius worked out this system for writing chemical formulas

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Chemical formula in a sentence (esp good sentence like

18+1 sentence examples: 1 The chemical formula for water is H 2 O 2 We had to learn chemical formulae at school but I can only remember H2O for water 3 Will you test me on the chemical formulae I've been learning? 4 H2O is the chemical form

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Glossary of Chemical Terms

Glossary of Chemical Terms Equivalent to gram-atomic gram-molecular and gram-formula weights molecular weight the sum of the atomic weights of all the atoms in a molecule molecule the simplest structural unit of a substance that retains the properties of the substance and is composed of one or more atoms most probable number (MPN) that number of organisms per

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Glossary of Chemical Terms

Glossary of Chemical Terms Equivalent to gram-atomic gram-molecular and gram-formula weights molecular weight the sum of the atomic weights of all the atoms in a molecule molecule the simplest structural unit of a substance that retains the properties of the substance and is composed of one or more atoms most probable number (MPN) that number of organisms per

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chemical formula

Definition The format for the chemical formula is based on the reported formula from the literature source for the mineral In many cases the formula is base on the structural interpretation of the mineral especially the silicates The chemical formula is closely matched to the mineral's crystallographic unit cell dimensions and Z value

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Chemical formula definition by Babylon's free dictionary

Definition The format for the chemical formula is based on the reported formula from the literature source for the mineral In many cases the formula is base on the structural interpretation of the mineral especially the silicates The chemical formula is closely matched to the mineral's crystallographic unit cell dimensions and Z value

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Chemical

'The other chemical is an estrogen-like compound in women's urine ' 'If the burning chemical is a powder-like substance such as lime brush it off the skin before flushing ' 'It is an organic chemical produced by reacting chlorine gas with phenol ' 'Benzene a chemical in detergents and oven cleaners is also known to be a

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Chemical formula

A chemical formula is a way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule using chemical element symbols numbers and sometimes also other symbols such as parentheses dashes brackets commas and plus (+) and minus (−) signs These are limited to a single typographic line of symbols

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Chemical_formula : definition of Chemical_formula and

A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound The chemical formula identifies each constituent element by its chemical symbol and indicates the number of atoms of each element found in each discrete molecule of that compound

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Chemical compound

chemical compound: 1 A substance consisting of two or more chemical elements in specific proportions and in chemical combination for which a chemical formula can be written Examples include water (H 2 O) and salt (NaCl) 2 A substance that can be separated chemically into simpler substances See also: compound

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Chemical Formula

Definition The format for the chemical formula is based on the reported formula from the literature source for the mineral In many cases the formula is base on the structural interpretation of the mineral especially the silicates The chemical formula is closely matched to the mineral's crystallographic unit cell dimensions and Z value

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Formula Definition

Formula: The term fomula has several different meanings depending on the field in which the term is used In mathematics a formula is a mathematical relationship expressed using numbers and symbols In chemistry a formula may be used to define the atoms that make up a chemical compound In computing a formula is simply a calculation that

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* Chemical formula (Jewelry)

Chemical Formula The Garnet Group is composed of several minerals with related chemical formulas The generic formula for the common Garnets is: X2+3Y3+2Si3O12 X represents Ca Fe2+ Mn or Mg Y represents Al Cr or Fe3+ [] Chemical Formulas Practice Test

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6 6: Mass Percent Composition from a Chemical Formula

Determine the percent composition of each element in a compound from the chemical formula The percent composition of a compound can also be determined from the formula of the compound The subscripts in the formula are first used to calculate the mass of each element in one mole of the compound That is divided by the molar mass of the

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