Chemical Families

Which element belongs in the halogen family?

• Rn

• Ne

• Br

• Xe

All of the following are chemical families EXCEPT ___.

• Gases

• Halogens

• Noble gases

• Alkali metals

Why are the elements in Group 8A (18) called Noble gases?

• They were discovered by the royal family.

• They are more valuable than other gases.

• They rarely take part in a reaction.

• They are highly reactive.

All elements in the same group have the same number of ___.

• protons

• neutrons

• atomic mass units

• valence electrons

Label the groups (chemical families) on the periodic table.

a

b

c

d

e

alkali metals

alkaline earth metals

transition metals

noble gases

halogens

How many valence electrons does a halogen have? 

• 1

• 2

• 7

• 8

What is the name of the family of elements that has a full outer shell of electrons?

• Noble Gases

• Halogens

• Alkali metals

• Transition metals

Elements in the same ________ are more chemically similar.

• group

• period

• club

• table

Which elements have the most similar chemical properties?

• K and Na

• K and Ca

• K and Cl

• K and S

Beryllium is in group number______.

• Group 2

• Group 3

• Group 4

• Group 7

Tags

NGSS.MS-PS1-1