Exploring the Periodic Table of Elements

What is the primary purpose of the periodic table?

• To group elements by their color

• To list elements alphabetically

• To organize elements by their atomic mass

• To organize elements by increasing atomic numbers

How many elements are currently arranged in the periodic table?

• 100

• 118

• 150

• 200

What is the symbol for nitrogen?

• Nt

• Ng

• N

• Ni

Which element has the symbol 'Fe'?

• Lead

• Mercury

• Silver

• Iron

What does the atomic number of an element represent?

• The number of neutrons

• The number of electrons

• The number of protons

• The total number of protons and neutrons

How many protons does a nitrogen atom have?

• 8

• 7

• 6

• 5

What is the atomic mass of nitrogen?

• 7

• 28

• 14

• 21

Which element has an atomic number of 4?

• Carbon

• Nitrogen

• Beryllium

• Boron

What are the vertical columns in the periodic table called?

• Blocks

• Rows

• Periods

• Groups

How many periods are there in the periodic table?

• 5

• 6

• 7

• 8