Periodic Table Worksheet

What is the name of the chart that organizes all known chemical elements?

• Periodic table of elements

• Table of compounds

• Elemental chart of physics

• Atomic structure table

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements has only one valence electron?

• Hydrogen

• Oxygen

• Chlorine

• Calcium

What happens to the number of valence electrons as you move from left to right across a row in the periodic table?

• The number of valence electrons increases.

• The number of valence electrons decreases.

• The number of valence electrons stays the same.

• The number of valence electrons becomes zero.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move down a group or column in the periodic table, what happens to the number of shells/orbits/energy levels?

• The number of shells/orbits/energy levels increases.

• The number of shells/orbits/energy levels decreases.

• The number of shells/orbits/energy levels stays the same.

• The number of shells/orbits/energy levels becomes zero.

Noble gases are also called ______ gases because they don’t react with other elements.

• inert

• active

• reactive

• volatile

In which family would you classify Group 2 element 'Radium'?

• Alkaline earth metal

• Halogen

• Carbon family

• Alkali metal

How many valence electrons does Barium in period 6, Group 2 have?

• 2

• 4

• 5

• 1

Tags

NGSS.HS-PS1-1

Where are the most active metals located in the periodic table?

• Bottom left corner

• Top right corner

• Middle section

• Top left corner

Where are the most active nonmetals located in the periodic table?

• Group 7

• Group 1

• Group 2

• Group 3

What are the elements in group 1 of the periodic table called?

• Alkali metals

• Transition metals

• Halogens

• Alkaline earth metals