The Periodic Table

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Neon

• Fluorine

What is the atomic number of carbon?

• 4

• 6

• 12

• 14

Elements in the same group of the periodic table have

• the same number of protons

• the same number of neutrons

• similar chemical properties

• the same atomic mass

Which of the following is an alkali metal?

• Magnesium

• Calcium

• Aluminium

• Sodium

What is the name of Group 17 elements in the periodic table?

• Halogens

• Alkali metals

• Alkaline earth metals

• Noble gases

The horizontal rows in the periodic table are called

• Groups

• Families

• Series

• Periods

Which of the following elements is a metalloid?

• Sulfur

• Silicon

• Iron

• Krypton

Transition metals are found in which block of the periodic table?

• s-block

• p-block

• d-block

• f-block

Which element has the highest electronegativity?

• Hydrogen

• Oxygen

• Chlorine

• Fluorine

As you move from left to right across a period in the periodic table, the atomic radius generally

• decreases

• increases

• remains constant

• doubles