Elements, Compounds,Symbols and Formulae (WWS)

What is the science term of all the materials found around us?

• Energy
• Force
• Matter
• Volume

How do we classify elements based on their properties?

• Elements are classified into metals, non - metals, and metalloids based on their properties.

• Elements are categorized into gases, liquids, and solids based on their state.
• Elements are classified by their atomic number only.
• Elements are grouped based on their color and size.

What is the boiling point of pure water?

• 120 degrees Celsius
• 80 degrees Celsius
• 100 degrees Celsius
• 90 degrees Celsius

How many elements have scientists discovered so far?

• 200
• 150
• 100
• 118

Which of the following is NOT a property of metals?

• Brittleness
• Ductility
• Conductivity
• Malleability

Which of the following is NOT a property of non-metals?

• Lusture

• brittle

• non conductivity

• a liquid

What do we call the elements which are neither metals nor non-metals?

• Noble gases
• Transition metals
• Alkali metals
• Metalloids

What is the short form of the name of an element called?

• Symbol
• Initials
• Notation
• Abbreviation

Who first used English alphabets to represent the elements?

• Abraham Lincoln

• Albert Einstine

• Berzelius

• Willy Wonka

• What is the symbol for sodium?

• fe

• na

• ni

• zic