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Question
Moseley’s periodic table is based on atomic mass.
Options
True
False
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Solution
False
Correct Statement: Moseley’s periodic table is based on atomic number.
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RELATED QUESTIONS
An element P (atomic number 20) reacts with an element Q (atomic number 17) to form a compound. Answer the following questions giving reason:
Write the position of P and Q in the Modern Periodic Table and the molecular formula of the compound formed when P reacts with Q.
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Find the neutral atom in the periodic table which has the same number of electrons as K+ and Cl−. What is this number?
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| Column 1 | Column 2 | Column 3 |
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| iii. Atomic number | c. Average of the first and the third atomic mass | 3. Newlands |
| iv. Period | d. Properties of the eighth element similar to the first | 4. Rutherford |
| v. Nucleus | e. Positive charge on the nucleus | 5. Dobereiner |
| vi. Electron | f. Sequential change in molecular formulae | 6. Moseley |
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