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What type of number after a chemical symbol tells how many atoms of that element are in a single molecule?
Wiki User
∙ 14y ago
A+...subscript.
That is the subscript in a chemical formula. For example, oxygen by itself in a jar is usually diatomic (except for ozone, but that doesn't last long in standard temperatures and pressures) so its molecular formula is O2, and so is hydrogen H2, water molecule has one oxygen bonded to two hydrogen H2O, so when we write the formula for making water it has to take into account that each molecule of oxygen forms two molecules of water which needs two molecules of hydrogen (remember the least common multiple stuff we went through in grade school?) and the energy it has to take from its immediate viscinity
O2 + 2H2 + ΔE = 2H2O
keeping in mind that most formulas don't include the unusual things, like a mole of oxygen will have a very small amount of single oxygen molecules and some ozone, but they don't last long enough to be useful, and they are usually in small enough amounts that scientists use the ever present phrase "small enough to be ignored"
Wiki User
∙ 14y ago
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What type of number after a chemical symbol tells how many atoms are in a single molecule?
The subscript, the little number below and after the element, tells how many atoms are in a single molecule.
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What type of number after chemical symbol tells how many Atoms of that element in a single molecule?
The subscript that is to the right of the element symbol, no subscript means 1. Example H2O, 2 hydrogen 1 oxygen
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The chemical symbol is used only for chemical elements; the chemical formula is for molecules. Ex.: Na is the chemical symbol of sodium and NaCl is the chemical formula of sodium chloride.
What is the smallest unit that retains the unique chemical properties of that specific type of matter?
A molecule is the smallest unit of a pure substance that can exist and still retain its chemical properties. An atom is the smallest unit of an element that can exist and still retain its chemical properties.
What type of number after a chemical symbol tells how many atoms of that of that element are in a single molecule?
It is the subscripted number immediately after the chemical element symbol in the molecular formula. If there is no number, then only one atom of that element is in itExample:H2O means two H's plus one O in water,NH3 = one N and three H atoms in ammonia
What type of number of after a chemical symbol tells how many atoms of that element are in a single molecule?
It is the subscripted number immediately after the chemical element symbol in the molecular formula. If there is no number, then only one atom of that element is in itExample:H2O means two H's plus one O in water,NH3 = one N and three H atoms in ammonia
Is iron chloride an element?
No, Iron is an element, and Chlorine is an element, but the two together are just a molecule. Elements are not made up of any other chemical. They are single substances.
What is barium?
Barium is a metallic element of atomic number 56, chemical syllable Ba, or a single atom of this element.
What is a group of symbols that show the kind and number of each element in a single unit of a molecule called?
Mass
