Classification of elements in the periodic table Quiz
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5 questions, one answer each
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1. Which element is in the p block?
- A. Magnesium (12)
- B. Zinc (30)
- C. Selenium (34)
- D. Barium (56)
2. An atom has the configuration 1s²2s²2p⁶3s²3p⁶3d⁷4s². In which block is it?
- A. d block
- B. s block
- C. p block
- D. f block
3. Which statement about the block of an element is correct?
- A. It is decided by the number of neutrons
- B. It is set by the sub-shell holding the highest-energy electron
- C. It is set by the number of electron shells
- D. It is the same as its group number
4. How many elements are there in a d block row?
- A. 2
- B. 6
- C. 14
- D. 10
5. Calcium has proton number 20. What is the proton number of the first d-block element in Period 4?
- A. 19
- B. 21
- C. 22
- D. 31