Use the letters only written in the Periodic Table
Periodic Properties (10)Use the letters only written in the Periodic Table given below to answer the questions that follow:

- State the number of valence electrons in atom J.
- Which element shown forms ions with a single negative charge?
- Which metallic element is more reactive than R?
- Which element has its electrons arranged in four shells?
Answer
- five
- M
- T
- T
- Exam Year: 2016