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प्रश्न
With reference to the variation of properties in the Periodic Table, which of the following is generally true?
Atomic size increases from left to right across a period.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
Answer the following in respect of element `31/15 P `
Give its formula with chlorine?
Give reason for the following:
Argon atom is bigger than chlorine atom.
Among the elements of the second period, Li to Ne, pick out the element with the largest atomic size
The metals of Group 2 from top to bottom are Be, Mg, Ca, Sr and Ba. Which one of these elements will form ions most readily and why?
Atomic radius is expressed in the unit _______.
The size of an atom depends on the number of valence electrons.
Write scientific reason.
In same period, boron and oxygen elements have different atomic size.
Carbon belongs to the second period and Group 14. Silicon belongs to the third period and Group 14. If the atomic number of carbon is 6, the atomic number of silicon is ______
Which one of the following has the largest atomic radius?
This question refers to the elements of the Periodic Table with atomic numbers from 3 to 18. Some of the elements are shown by letters, but the letters are not the usual symbols of the elements.
| 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| A | B | C | D | E | F | G | H |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| I | J | K | L | M | N | O | P |
Which of these have least atomic size in period 3?
