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Which is not true about the chemical formula of a substances?
which is not true about the chemical formula of a sbstance? a.it gives the number and kinds of atoms present. b.it shows that a substance has a definite compound. c.it shows the elements present in the compound. d.it shows the phase of a substance.
What are used to indicate how many atoms are in a compound?
Subscripted numbers are listed after each element to indicate the number of atoms of that element in the compound. For instance the formula for water is H2O, which indicated that there are 2 hydrogen atoms and 1 oxygen atom (no subscript implies the number 1).
What is the difference between a structural formula and a molecular model?
A chemical formula is the number of atoms in a substance, and is the same as a molecular formula (provided the substance is a molecule - if not, it has no molecular formula). A structural formula shows how the atoms are linked, and there are different interpretations of this: eg C3H8O2 is the chemical formula of 1,2 propan di-ol, which is the same as the chemical formula of 1,1 propan di-ol the structural formula however is CH2OHCHOHCH3 for 1,2 propan di-ol and CH(OH)2CH2CH3 for 1,1 propan di-ol. A displayed formula shows all the bonds: ........H..OH...H.............O-H...H...H ........|....|.....|..................|....|.....| ....H-C.-.C.-.C.-.H.....H-O-C.-.C.-.C.-.H ........|....|.....|..................|....|.....| ....H-O...H....H.................H...H....H 1,2 propan di-ol........1,1 propan di-ol ---------------------------------- Some chemicals, such as table salt, have no molecule. Thus, they only have chemical formula but not molecular formula. The chemical formula of table salt is NaCl. There are other salts, such as Na2SO4, MgSO4, etc. (If you hear people saying "the salt molecule has the formula of NaCl...", believe me, they do not know what they are talking about.) Some compounds exist as molecules- discrete entities, such as water. This kind of compounds have molecular formula. Water's is H2O. Structural formula? Never heard of.
How many many atoms and what kinds of atoms are in C6H8O6?
There are 20 atoms and there are 6 Carbon atoms, 8 Hydrogen atoms, 6 Oxygen atoms.
The chemical formula for iron sulphate?
There are two kinds of iron sulfate: iron (II) sulfate has the formula FeSO4 and iron (III) sulfate has the formula Fe2(SO4)3.
What shows the kinds and proportions of atoms in a compound?
A chemical formula shows the kinds and proportions of atoms in a compound. The subscripts in a chemical formula represent the number of atoms of each element present in the compound. For example, in the compound H2O, there are two atoms of hydrogen (H) and one atom of oxygen (O).
What is the ratio of atoms?
A chemical formula gives the number ratio of the different kinds of atoms present in the compound. This means that the ratios are the same if you count in individual atoms, dozens of atoms, or molecules of atoms.
What do you know by looking at a chemical compound by its chemical formula?
the number and kinds of atoms in the compoundIn an ionic compound, the formula gives the ions and their ratios in the crystal lattice. In a molecular compound, the formula gives the numbers of atoms of each element in a molecule.
What do you know about a chemical compounds by looking at its chemical Formula?
the number and kinds of atoms in the compoundIn an ionic compound, the formula gives the ions and their ratios in the crystal lattice. In a molecular compound, the formula gives the numbers of atoms of each element in a molecule.
What do you know about chemical compounds by looking at its chemical formula?
the number and kinds of atoms in the compoundIn an ionic compound, the formula gives the ions and their ratios in the crystal lattice. In a molecular compound, the formula gives the numbers of atoms of each element in a molecule.
Number of different kinds of atoms in acetic acid?
Acetic acid has the formula of CH3COOH. It consists of carbon, hydrogen and oxygen as its constituent molecules.
What does a chemical formula have to do with elements and atoms?
The chemical formula of a compound shows the number of atoms of each element in the smallest unit of the compound. The smallest unit is a molecule for covalently bonded compounds and the minimum number of each of the right kinds of atoms to achieve electro-neutrality for ionically bonded compounds.
What do you know about chemical compound by looking at it's chemical formula?
the number and kinds of atoms in the compoundIn an ionic compound, the formula gives the ions and their ratios in the crystal lattice. In a molecular compound, the formula gives the numbers of atoms of each element in a molecule.
Does a chemical formula only indicate kinds of atoms that are present in a molecule?
No, the chemical formula shows both the kinds of atom in a molecule and the number of each type of atom. For example, the formula H2O shows that there are 2 hydrogen atoms and one oxygen atom in a water molecule.
What do you know about a chemical compound by looking at its chemical?
the number and kinds of atoms in the compoundIn an ionic compound, the formula gives the ions and their ratios in the crystal lattice. In a molecular compound, the formula gives the numbers of atoms of each element in a molecule.
What is a chemical formula that shows the numbers and kinds of atoms in a molecule but is not the arrangement of the atoms?
A chemical formula provides information about the types and numbers of atoms in a molecule, but it does not reveal the spatial arrangement of those atoms in the molecule. It is a concise way to represent the composition of a substance using chemical symbols and numerical subscripts.
Identify the number and kinds of atoms presented in ascorbic acid?
Ascorbic acid, also known as Vitamin C, has the chemical formula C6H8O6. It contains 6 carbon atoms, 8 hydrogen atoms, and 6 oxygen atoms.
