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Write down the outermost electronic configuration of alkali metals. How will you justify their placement in group 1 of the periodic table?

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Since all the elements have one electron in their valence shell, hence, they are placed in the first group of the periodic table.
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Related Questions

In a metallic bond, why positive ions are called kernels, not cations?
The kernel is an atom without its valence electrons that are weakly bonded; no electron belongs to one nucleus, valence electrons can move one kernel to another. So it is known as kernel, not cation (have valency).
Shiva Institute of Science and Technology
Which is better for class 11, coaching or tuition class?
It depends on students level of basic knowledge . If basics of any subject is not clear than it is shear wastage of time sitting in coaching classes and student should join individual Tution with best...
Divya
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How shall I prepare for IIT without joining any coaching institute? I am in class 11.
focus on basic concepts of subjects, prepare timetable for study and follow this. does not spent too much time on study but start learning on calm mind, do some physical activity also.
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How can one get 90% and above in the CBSE class 12 board without any coaching and tuition?
Be upto date in reading and learning lessons. You need compressive reading and little bit practise of questions. Read.. read... read... the lessons as many time as possible and try to recall as much as possible. You can get 90% and above surely.
Nageswara

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