Chemistry- Periodic Trends

Atoms have definite boundaries (you can tell their size easily)

• true

• false

It is used to estimate the size of an atom

1/2 the distance between the nuclei of two atoms of the same element is that element's

atomic radius is measured in

picometers are equal to

• 1x10^12m

• 1x10^-12cm

• 1x10^-12m

atomic radius increases from

• right to left

• left to right

• top to bottom

• bottom to top

the largest atom is

the atomic radius of a cation is ___ that the original atom.

• bigger

• smaller

an atom that has a positive or negative charge

an atom that loses an electron is called a/n