The Periodic Table Review Sheet With Answers (Page 2 of 3) in pdf

The Periodic Table Review Sheet With Answers Page 2

What determines if an atom will lose, gain or share electrons?

electrons take the easiest path to filling an energy level

few electrons = loses

many valence electrons = gains

same number of valence electrons = share

full energy level = stable; does not gain, lose or share electrons

Who published the first periodic table of elements?

Mendeleev

He arranged his elements on the periodic table according to what

physical property?

increasing atomic mass

Vertical columns of the periodic table are called

__group___.

There

are__18___

groups in the periodic table.

The elements in a

group

have similar__properties___.

Groups are given a family name based on

_the first element in the

column_.

Horizontal rows of the periodic table are called __periods__ .

There are __7_ periods on the periodic table.

An element’s

___physical and chemical

properties___ can be predicted from

its location in the periodic table.

Why is Group 18 called the Noble Family?

they are all odorless, colorless

gases that are generally unreactive

metal

-an element that is hard, shiny, a good conductor of heat and

electricity, can be hammered into thin sheets or pulled into thin strands

nonmetal -

an element that lacks most of the properties of metals

metalloid -

an element that has some of the characteristics of both metals and

nonmetals

The Periodic Table Review Sheet With Answers Page 2