In 1 milligram (mg) of a substance, the number of atoms depends on the substance's molecular or atomic weight. For example, if you consider water (H₂O), which has a molar mass of about 18 g/mol, 1 mg contains approximately 3.34 × 10²² molecules, which equates to about 10²³ atoms. The number of different elements in that milligram would depend on the composition of the substance; pure elements contain only one type of atom, while compounds contain multiple types.
3?
8,23.1023 atoms Mg is equivalent to 1,366 moles.
MgBr₂ contains three elements: magnesium (Mg), bromine (Br), and bromine again, as it has two bromine atoms. Therefore, while it consists of two types of elements, the total count of individual atoms is three.
7,00 mg of allicin contain 0,519.10e20 sulfur atoms.
Magnesium nitrate - Mg(NO3)2 - has 9 atoms in the molecule.
Magnesium chloride (MgCl2) has three elements: magnesium (Mg) and two chlorine (Cl) atoms.
3?
8,23.1023 atoms Mg is equivalent to 1,366 moles.
MgBr₂ contains three elements: magnesium (Mg), bromine (Br), and bromine again, as it has two bromine atoms. Therefore, while it consists of two types of elements, the total count of individual atoms is three.
Mg(oh)2 contains of Mg,O and h atoms. There are 3 atoms in 1 Mg(OH)2. So there are 12 atoms in 4Mg(OH)2.
7,00 mg of allicin contain 0,519.10e20 sulfur atoms.
There are 9 atoms present in one molecule of Mg(NO3)2.
There are two atoms in the formula unit MgO, or magnesium oxide.
1 gram = 1000 mg
Magnesium nitrate - Mg(NO3)2 - has 9 atoms in the molecule.
Magesium phosphide (Mg3P2) has 5 atoms: 3 from Mg and 2 from P.
Mg(C2H3O2)2 or magnesium acetate has one magnesium atom, four carbon atoms, six hydrogen atoms and four oxygen atoms. So a total of 15 atoms per molecule of magnesium acetate.