Ele

How many known elements are there?

• 118

• 181

• 188

• 811

Elements are logically arranged in a periodic table

• TRUE

• FALSE

Elements that have similar properties are aligned in vertical columns called ______

• GROUPS

• PERIOD

Chemical elements have abbreviation called ___________

• element symbol

• element name

• element mark

• element abbrevation

• E

The first letter of an element symbol is always capitalized and the second and third letters are in lower case

• TRUE

• FALSE

What is the atomic number of the element Helium?

• 1

• 2

• 3

• 4

Which element is known as the 'King of Chemicals'?

• Oxygen

• Hydrogen

• Sulfur

• Nitrogen

What is the most abundant element in the Earth's crust?

• Oxygen

• Silicon

• Aluminum

• Iron

Which element has the chemical symbol 'Fe'?

• Fluorine

• Iron

• Francium

• Fermium

What is the lightest element in the periodic table?

• Helium

• Lithium

• Hydrogen

• Beryllium