Maharashtra Board Class 12 Solutions for Chemistry Chapter 7 Elements of Groups 16, 17 and 18 - Download Free PDF with Solution
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FAQs on Maharashtra Board Class 12 Solutions for Chemistry Chapter 7 Elements of Groups 16, 17 and 18 - PDF
1. What is the chemical symbol for oxygen?
O is used as the chemical symbol for oxygen. It is a tasteless, colorless gas that humans breathe in order to create carbon dioxide during the respiration process. The oxygen molecule is a diatomic one (O2). In small amounts, oxygen can also be found as the triatomic molecule (O3) ozone. Oxygen can easily mix with different elements.
2. What is Selenium?
Selenium is scarce than oxygen or sulphur. In a few minerals, it can be found both free and associated with heavy metals. Under typical circumstances, selenium is most stable in its grey metallic form.
3. What is Tellurium?
Tellurium is an atomic number 52 chemical element with characteristics that fall between those of metals and non-metals. It is one of the rarest stable elements to be found in the crust of the planet. It is frequently discovered both in its free form and in mixtures with other elements like copper, lead, silver, or gold.
4. What is it about the Oxygen?
The earth contains a lot of oxygen. According to estimates of the proportions of various atom types present in the cosmos, oxygen ranks fourth in terms of abundance, behind hydrogen, and neon.