AP Chemistry Practice Questions

$2.5$ mol

$5.0$ mol

$7.5$ mol

$15.0$ mol

$[\text{Ar}]\, 3d^8$

$[\text{Ar}]\, 4s^2 3d^6$

$[\text{Ar}]\, 4s^1 3d^7$

$[\text{Ar}]\, 3d^6 4s^2 4p^0$

$\text{Na} < \text{Mg} < \text{Al} < \text{Cl}$

$\text{Na} < \text{Al} < \text{Mg} < \text{Cl}$

$\text{Cl} < \text{Mg} < \text{Al} < \text{Na}$

$\text{Al} < \text{Na} < \text{Mg} < \text{Cl}$

$63.0$ u

$63.6$ u

$64.0$ u

$64.5$ u

Tetrahedral

See-saw (seesaw)

Square planar

Trigonal bipyramidal