In the compound 3Ni(HCO₃)₂, there are 3 nickel (Ni) atoms, 6 carbon (C) atoms, 6 oxygen (O) atoms, and 6 hydrogen (H) atoms. This is calculated by recognizing that each formula unit of HCO₃ has 1 carbon, 3 oxygen, and 1 hydrogen, and since there are 2 HCO₃ groups in the formula, we multiply those quantities by 2. Thus, the total counts are 3 Ni, 6 C, 6 O, and 6 H.
there are 3 in tottal
4 carbon 16 hydrogen
To determine how many atoms are in each element of a compound, you can analyze its chemical formula. The formula indicates the number of atoms of each element present; for example, in water (H₂O), there are two hydrogen (H) atoms and one oxygen (O) atom. If the formula includes subscripts, they represent the number of atoms for the corresponding element, while parentheses may indicate groups of atoms that are counted together. For elements in their pure form, like O₂, the subscript directly tells you the number of atoms, in this case, two oxygen atoms.
C6H12O6. Six carbon atoms, 12 hydrogen atoms and six oxygen atoms.
There are 6 hydrogen atoms, 3 phosphorus atoms, and 4 oxygen atoms in the formula H3PO4.
The chemical formula shows you this. The subscripted number next to each element shows how many atoms are present in a molecule or formula unit. If no number is shown, then only one atom of that element is present.
7
You can determine the number of atoms of each element in a compound by using the chemical formula of the compound. The subscripts in the formula indicate the number of atoms of each element. For example, in H2O (water), there are 2 hydrogen atoms and 1 oxygen atom.
there are 3 in tottal
2
Some elements have isotopes - atoms with a different number of neutrons.
1
In each molecule of NO3, there is one nitrogen atom and there are three oxygen atoms.
4 carbon 16 hydrogen
At standard temperature and pressure, nitrogen exists in molecules with two atoms each.
The chemical formula shows you this. The subscripted number next to each element shows how many atoms are present in a molecule or formula unit. If no number is shown, then only one atom of that element is present.
How many atoms are in Mg3(PO4)2