Answer:
The Periodic Law shows that the physical and chemical properties of the elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number.
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Answer:
the carbon atoms in the double bond cannot rotate
Explanation:
Isomers refer to molecules that have a distinct arrangement of the atoms in the molecule but have the same molecular formula.
Alkenes refer to a series of unsaturated hydrocarbons that contain ethylene and propylene.
Some alkenes have geometric (cis-trans) isomers because <u>the carbon atoms in the double bond cannot rotate</u>.
I don’t get what you are trying to say be more specific so I can help