What of the following is $1,2-$dichloro$-1,2-$difluoroethene

c$.$

d$.$

Which of the following contains a carbonyl group?

a$.$ ketone

b$.$ aldehyde

c$.$ alcohol

d$.$ Both a and b

VSEPR stands for

a$.$ Valence Shell Energy Pair Repulsion

b$.$ Valence Shell Electron Pair Repulsion

c$.$ Valence Shell Electron Proton Repulsion

d$.$ None of the above.

The lines in the line spectrum of an atom results from

a$.$ energy absorbed by electrons dropping down to a lower energy level

b$.$ energy absorbed by electrons jumping to a higher energy level

c$.$ energy released by electrons jumping to a higher energy level

d$.$ energy released by electrons dropping down to a lower energy level

e$.$ none of the above

"A region of space in which there is a high probability of finding an electron" is the definition of

a$.$ orbital

d$.$ photon

b$.$ absorption spectrum

e$.$ dipole

c$.$ quantum

Which of the following is the electron configuration for magnesium?

a$.1s^{2}2s^{2}2p^8$

d$.1s^{3}2s^{3}2p^{3}3s^2$

b$.1s^{3}2s^{3}2p^{4}3s^2$

e$.1s^{2}2s^{2}2p^{6}3s^2$

c$.1s^{2}2s^{2}2p^{7}3s^1$

Which of the following is the electron configuration for the valence shell of oxygen?

a$.\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{2s}\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{2p}\frac{\text{u}\text{a}\text{r}\text{r}}{-}$

d$.\frac{\text{u}\text{a}\text{r}\text{r}}{2s}\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{2p}\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{?}\frac{\text{u}\text{a}\text{r}\text{r}}{-}$

b$.\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{2(s)}\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{2p}-\frac{\text{u}\text{a}\text{r}\text{r}}{-}$

e$.\frac{\text{u}\text{a}\text{r}\text{r}\text{u}\text{a}\text{r}\text{r}}{2s}\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{2p}\frac{\text{u}\text{a}\text{r}\text{r}}{-}$

c$.\frac{\text{u}\text{a}\text{r}\text{r}}{2s}\frac{\text{u}\text{a}\text{r}\text{r}}{2p}\frac{\text{u}\text{a}\text{r}\text{r}\text{d}\text{a}\text{r}\text{r}}{\text{l}\text{o}\text{n}\text{g}\text{r}\text{i}\text{g}\text{h}\text{t}\text{a}\text{r}\text{r}\text{o}\text{w}}\frac{\text{u}\text{a}\text{r}\text{r}}{?}=$

$2$