Metals and Non-Metals (Short Q and A)
Q1: Define Element.
Answer: An element is a pure substance which is made up of same kind of atom which differs from their physical and chemical properties.
Q2: How many elements are known so far? How many of them are naturally occurring?
Answer: 118 under which 92 are naturally occurring.
Q3: Give examples of the most abundant elements.
Answer: Aluminium ( the most) and Iron
Q4: Which is the most abundant non-metal?
Answer: Oxygen (O)
Q5: Give examples of the least reactive metals.
Answer:
• Gold
• Silver
• Platinum