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MBD-PERIODIC CLASSIFICATION OF ELKHOENTS-EXAMPLE
- Give the atomic number and electronic disribution of: the second noble...
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- Observe the following elements in the modern periodic table?
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- Match the following:
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- How many electrons can be present in the valence shells of metal atoms...
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- What is the basis of modern periodic table?
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- Write electronic configuration of phosphorous?
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- which have greater atomic size magnesium or aluminium?
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- How are elements classified ?
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- Why are the members of group 1 called alkali metals?
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- What is the basis of modern periodic table?
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- Name the group to which halogens belongs?
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- Name the secound element of group 14?
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- How many valence electrons are present in halogen elements?
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- How many elements are present in 4th period?
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- How many electrons are present in Mg^(2+) ion?
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- Out of Na and Mg which Has larger size?
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- What is the valency of nitrogen?
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- Out of Na and K which is more reacitve?
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- Name the group number of halogne family?
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- Name the last element of third period?
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