The atomic weight of magnesium is 24.What does that mean?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Is a pencil falling to the floor anon contact force, a force, or a contact force