In benzene a. all atoms are in the same plane.
b. the double bonds are shorter than the single bonds.
c. the electrons in the unhybridized p orbitals are localized.
d. the molecule is most stable in the chair configuration.

1 a

2 d

3 a

4 c

explanation:

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

they are both synthetic elements

explanation:

d

може ли да зареждате повече информация, моля