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low melting point
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Is KCl a molecular or ionic substance?
It is ionic
Which substance exists as a molecular compound?
methanol (CH4O)
Can one substance have same empirical and molecular formula?
Yes it can be
What substances have NaC18H35O2?
That is a fictitious molecular formula; no substance contains it.
Which may be true for a substance that absorbs energy?
The energy decreases the molecular motion and the kinetic energy of the substance.
What are the characteristics of a molecular substance?
o hai
What small particle of substance retains the characteristics of the substance?
If it is an element, then the smallest particle that retains the characteristics of the element is an atom. If it is a diatomic element, then the smallest particle that retains the characteristics of the element is a molecule. If it is a molecular compound, then the smallest particle that retains the characteristics of the compound is a molecule. If it is an ionic compound, the smallest particle that retains characteristics of the compound is a formula unit.
What is a gram of a molecular substance?
A gram of a molecular substance is the quantity that will have a mass of 1 gram.
Which substance shows a substance that is not molecular?
A formula unit.
Dose represents a molecular substance Al2O3?
No, it represents an ionic substance
What is a molecule a group of?
A Molecular Substance or Compound.
Is KCl a molecular or ionic substance?
It is ionic
How is a molecular substance similar and different from molecular elements?
"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.
What is molecular density?
the ratio between the mass of one mole of a substance and its volume is the molecular density....
Can you determine the molecular formula of a substance from its percent composition?
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.
When a substance is in an mixture what does each substance keep?
characteristics
How a polymer's molecular structure affects its characteristics?
it doesnt
