Question

Which of the kind of elements gives harmful radiation?

• A. Metal
• B. Non-metal
• C. Radioactive element
• D. Normal element

Answer 1

The correct option is C

Radioactive element

• An element is a substance that is made up of only one kind of atom, and cannot be split using any chemical means.
  For example - Iron, Gold, Silver, etc.
• An atom is the smallest unit of an element.
  Elements are broadly classified into two types - Normal and Radioactive elements.
• Radioactive elements are those elements that undergo nuclear reactions and emit radiations that are harmful to our body.
• For example - Uranium, etc.
• option C is correct.