Practice question
Question
Which of the following elements is a halogen?
Explanation
Halogens belong to group 17. Among O, S, Se, and Br, only Br is in group 17, making it a halogen.
We use cookies to improve your experience and understand how Examtube is used. You can accept analytics cookies or continue with essential cookies only.
Privacy policyMCQ
Question
Guides and insights connected to this topic
Explore early attempts to classify elements, covering Dobereiner’s triads, Newlands’ law of octaves and Mendeleev’s table with examples and key details.
Explore plant mineral nutrition notes on hydroponics, criteria for essential elements, deficiency symptoms, and biological nitrogen fixation...
Explore how cells form tissues in plants and animals, covering meristematic, epithelial, connective and muscular types, and why their structures differ.
This page is supported by advertisements. An ad blocker is stopping those ads from loading, so we cannot show the rest of the page yet. Pause the blocker for this site, then continue. We will check again automatically.
You can keep using this site after advertisements are allowed to load.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.