Which of the following is a compound ?
One molecule of SiO2 contains the following combinations of atom:
Which of the following models could be used to compare the sizes of atoms in molecule ?
There are strong bonds between the atoms in a piece of quartz. These bonds give quartz a
The attraction between molecules tends to be _____ the attraction between ions.
Which molecules are most strongly attracted to one another?
Sugar has a lower melting point than salt because sugar is made of
Which of the following does not form crystals at room temperture?
Which of the following is a mixture ?
A chemical formula formula shows
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