Conduction can only occur between two objects when -
1. one object is
less dense than
the other
2. both objects
are in physical
contact with
each other.
3. one of the
objects is made
of a metal.
4. both objects
are exactly the
same
temperature.

the atomic mass is the bottom number on the element.

-steel jelly

periodic trends is an atom that gets larger as the number of electronic shells increase, the radius of atoms increases as you go down a certain group in the periodic table of elements. in general, the size of an atom will decrease as you move from left to right of a certain period.

so she was walking and she stepped on warm jeffy , uh uh uhh dadye i just pooped my pants

the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)