Chapter 5 Review

Question 1

Includes lithium, sodium, and potassium

Accepted Answer

alkali metals

Question 2

a negatively charged ion

Accepted Answer

anion

Question 3

Which group has 1 valence electron?

Accepted Answer

1

Question 4

He organized the periodic table by atomic mass

Accepted Answer

mendeleev

Question 5

includes "s" and "p" block elements

Accepted Answer

main-group elements

Question 6

Those electrons in the outer most energy shell

Accepted Answer

valence electrons

Question 7

he organized the periodic table by atomic number

Accepted Answer

mosely

Question 8

Which period of elements is radioactive?

Accepted Answer

actinides

Question 9

Which trend increases from left to right, but DECREASES from top to bottom?

Accepted Answer

electronegativity

Question 10

1/2 the distance between the nuclei of two identical bonded atoms

Accepted Answer

atomic radius

Question 11

Which period includes elements 58-71

Accepted Answer

lanthanides

Question 12

the energy required to remove an electron from an atom

Accepted Answer

ionization energy

Question 13

How many valence electrons are in group 14?

Accepted Answer

4

Question 14

group 2 on the periodic table

Accepted Answer

alkaline-earth metals

Question 15

This part of the periodic table is referred to as the "d" block

Accepted Answer

transition metals

Question 16

who added group 18 to the periodic table?

Accepted Answer

ramsey

Question 17

shares properties with both metals and nonmetals

Accepted Answer

metalloids

Question 18

Which noble gas was discovered first (on earth)?

Accepted Answer

Ar

Question 19

a charge atom

Accepted Answer

ion

Question 20

a positively charged ion

Accepted Answer

cation

Question 21

Who discovered radon?

Accepted Answer

dorn

Question 22

Which period includes uranium and plutonium?

Accepted Answer

actinides

Question 23

How many valence electrons do the noble gases have?

Accepted Answer

8

Question 24

group 17

Accepted Answer

halogens

Chapter 5 Review

Questions 24

Chapter 5 Review

Questions 24