This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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You're on a roll — here are the answers to the questions from the image: 8. Define the following terms: (i) Valency: Valency is the combining power of an element, representing the number of hydrogen atoms that an atom of the element can combine with or displace. (ii) Radical: A radical is a group of atoms that behaves as a single unit and carries a charge, acting like a single atom in chemical reactions. State two differences between eclipse of the moon and eclipse of the sun. (i) An eclipse of the moon (lunar eclipse) occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon. An eclipse of the sun (solar eclipse) occurs when the Moon passes between the Sun and the Earth, casting a shadow on the Earth.* (ii) A lunar eclipse can be seen from anywhere on the night side of Earth, while a solar eclipse is only visible from a relatively small area on Earth.* a) Name the elements that make up the following compounds: (i) Ammonia: Nitrogen, Hydrogen* (ii) Common Salt: Sodium, Chlorine* (iii) Water: Hydrogen, Oxygen* b) (i) List three agents of pollination. 1. Wind* 2. Insects (e.g., bees, butterflies)* 3. Water* What's next? Send 'em!