Abrick has a mass of 4.0kg and the earth has a mass of 6.0*10^27g.
what is the mass of 1 mole of bricks?
how many moles of bricks have a mass equal to the mass of the earth?

Explanation:

1. Mass of 1 mol of bricks

2. Number of moles

(a) Convert grams to kilograms

(b) Convert kilograms to moles

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.