📘 Mon Nov 2 Intro to PT: Chemical Families CFU

UP and DOWN columns on the periodic table are

• groups

• periods

The group number tells you the number of

• protons

• valence electrons

• energy levels

Tags

NGSS.HS-PS1-1

Main group elements are AKA (also known as) the representative elements.

• True

• False

Why are these elements referred to as Representative Elements?

• they all have the same chemical properties

• they react in similar ways

• they display a wide range of physical and chemical properties

• they have no chemical properties

Main group elements include the transition metals.

• True

• False

Elements of the same group or family have similar chemical properties

• False

• True

• Not enough information

• May be true

All of the following are chemical families EXCEPT ___.

• Gases

• Halogens

• Noble gases

• Alkali metals

What is the name of this chemical family?

• Noble gases

• representative elements

• alkali metals

• alkali earth metals

The family with the most reactive metals is the

• transition metals

• alkaline earth metals

• alkali metals

• lanthanide metals

Which is the lightest alkali metal?

• Aluminium
• Hydrogen
• Lithium
• Potassium

Tags

NGSS.HS-PS1-1