For an ionic compound, the name of the positive ion comes first, followed by the name of the negative ion. It also tells the ratio of the atoms and tells what atoms make up the compound.
they describe the type and number of atoms in a molecule of the compound
It tells us the elements present in the compound, and the number of atoms of each element in one formula unit of the compound. For instance in NaO, we know that the compound (sodium oxide) contains sodium (Na) and oxgyen (O), and that in one formula unit of NaO, there is one sodium atom and oxygen atom, i.e. the elements are in a 1:1 ratio in terms of the number of atoms.
It tells us (1) the elements present in the compound, and (2) the number of atoms of each element in one formula unit of the compound. For instance, the ionic compound sodium oxide has chemical formula NaO. From this we can see that the elements present are sodium (Na) and oxygen (2), and that in one formula unit there is one sodium and one oxygen atom, i.e. the elements are in the ratio 1:1 in terms of number of atoms.
The chemical composition can be deduced in percentage.
The formula is not ionic or covalent, the compound itself is.
Zinc carbonate is an ionic compound with the formula ZnCO3.
According to the given chemical formula, the compound is magnesium peroxide. It is an unstable compound in nature though.
NH4Cl (it stays together with ionic bonds)
No; the compound with the formula NH4Br is an ionic compound.
The formula is not ionic or covalent, the compound itself is.
Zinc carbonate is an ionic compound with the formula ZnCO3.
According to the given chemical formula, the compound is magnesium peroxide. It is an unstable compound in nature though.
NH4Cl (it stays together with ionic bonds)
No; the compound with the formula NH4Br is an ionic compound.
Formula: I-
The potassium bromide is an ionic compound.
K2S is the formula for the ionic compound formed from potassium and sulfur.
K2S is the formula for the ionic compound formed from potassium and sulfur.
Lithium carbonate, with formula Li2CO3.
No. The chemical formula of an ionic compound is a formula unit and represents the lowest whole number ratio of ions in the compound. Ionic compounds are not made of molecules.
One ionic compound is sodium chloride, better known as salt, whose formula is NaCl