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Question
Give the symbol of the following element:
Nitrate
Solution
| Name | Symbol |
| Nitrate | NO3 |
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RELATED QUESTIONS
Write the names and symbols of the first twenty elements that you have studied in class VI & VII.
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
An atom of an element is denoted by a “symbol”. Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
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| (a) Potassium | (1) Ca |
| (b) Sodium | (2) Zn |
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| (d) Magnesium | (4) Hg |
| (e) Zinc | (5) Cu |
| (f) Aluminum | (6) Au |
| (g) Iron | (7) K |
| (h) Lead | (8) Fe |
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| (m) Gold | (13) Ag |
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| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
State which element exists in the highest percentage in earth’s crust.
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Mass of one atom of oxygen is
The name copper was taken from ______.
