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A formula unit.
simple molecular compounds have weak forces of atraction.
No, it represents an ionic substance
A Molecular Substance or Compound.
the ratio between the mass of one mole of a substance and its volume is the molecular density....
Intermolecular forces
A general rule doesn't exist.
A gram of a molecular substance is the quantity that will have a mass of 1 gram.
A formula unit.
simple molecular compounds have weak forces of atraction.
No, it represents an ionic substance
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A Molecular Substance or Compound.
It is ionic
"Molecular element" is a much narrower category than "molecular substance". The kinetic units* of a molecular element contain at least two atoms, but all the atoms in the kinetic unit must be atoms of the same element. A molecular substance may contain any number of atoms of any number of elements. Therefore, every molecular element is a molecular substance, but the reverse is not true. The only additional requirements for a molecular substance are that all its kinetic units must have the same chemical composition and must contain at least two atoms but must not have any net electrical charge. ____________________________________________ *A kinetic unit is the smallest portion of a substance that moves further apart on average from other kinetic units when the substance expands while maintaining nearly constant interatomic distances within the kinetic unit itself.
the ratio between the mass of one mole of a substance and its volume is the molecular density....
Not completely. The empirical formula of a substance can be determined from its percent composition, but a determination of molecular weight is needed to decide which multiple of the empirical formula represents the molecular formula.