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प्रश्न
The element that would form anion by gaining electrons in a chemical reaction is ______.
विकल्प
potassium
calcium
fluorine
iron
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उत्तर
The element that would form anion by gaining electrons in a chemical reaction is Fluorine
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संबंधित प्रश्न
The following table shows the electronic configuration of the elements W, X, Y, Z:
|
Element |
W |
X |
Y |
Z |
|
Electronic |
2,8,1 |
2,8,7 |
2,5 |
1 |
Answer the following questions based on the table above:
What is the formula of the compound formed between X and Z.
Match the atomic numbers 4, 14, 8, 15 and 19 with each of the following:
- A solid non-metal of valency 3.
- A gas of valency 2.
- A metal of valency 1.
- A non-metal of valency 4.
Draw orbit structure diagram of sodium chloride (NaCl).
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^12_6C}\]
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^31_15P}\]
Draw the geometric atomic structure of the following atom showing the number of electrons, protons and neutrons in them:
\[\ce{^39_19K}\]
The element that would form cation due to the loss of electrons during the chemical reaction is ______.
How many atoms of each kind are present in the following molecule:
carbon tetrachloride
Elements A, B and C have atomic number 17, 19 and 10 respectively.
State which one is chemically inert.
