Which of these statements is true?
a.
some molecules may contain no atoms.
b.
some elements found in nature exist as molecules.
c.
some compounds include only one type of element.
d.
some atoms are made of two or more different elements. which of these statements is true?
a.
some molecules may contain no atoms.
b.
some elements found in nature exist as molecules.
c.
some compounds include only one type of element.
d.
some atoms are made of two or more different elements.