Set 3: Atomic Structure and Chemical Bonding Q4. (i) Name an element that does not contain a neutron. (ii) If an atom contains one electron and one proton, will it carry any charge or not? Q5. On the basis of Thomson’s model of an atom, explain how an atom as a whole is neutral. Q6. …
ICSE Class 9 Chemistry: Atomic Structure and Chemical Bonding Practice Questions Set 1: Atomic Structure and Related Concepts 1 Mark Questions Fill in the blanks with the correct choice given in brackets: If an element has two electrons in its outermost shell, then it is likely to be a _____ [Metallic / Non-metallic]. The first …
Understanding the Convex Mirror Formula: FAQs and Applications Published on: December 16, 2024 Introduction The convex mirror formula is a fundamental concept in optics, relating object distance (u), image distance (v), and focal length (f). Mastery of this formula is essential for solving problems involving convex mirrors. Frequently Asked Questions 1. What is the mirror …
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Light and Atmospheric Phenomena: Essential FAQs Explained Why do stars twinkle at night? Stars twinkle because their light passes through various layers of Earth’s atmosphere with different densities, causing it to bend and refract. This process, known as atmospheric refraction, makes stars appear to flicker. Do planets twinkle? Why or why not? Planets generally do …
