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प्रश्न
Identify the bond between H and F in the HF molecules.
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उत्तर
The bond between Hydrogen (H) and Fluorine (F) in an HF molecule is polar covalent.
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संबंधित प्रश्न
Write the electronic configuration of two elements X and Y whose atomic numbers are 20 and 17 respectively. Write the molecular formula of the compound formed when element X reacts with element Y. Draw the electron-dot structure of the product and also state the nature of the bond formed between both the elements.
An element X combines with oxygen to form an oxide XO. This oxide is electrically conducting.
(a) How many electrons would be there in the outermost shell of the element X?
(b) To which group of the periodic tables does the element X belong?
(c) Write the formula of the compound formed when X reacts with chlorine.
Find the neutral atom in the periodic table which has the same number of electrons as K+ and Cl−. What is this number?
Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in ______.
What was the basis of the earliest attempts made for classification and grouping of elements?
Classify the following elements into Metals and Nonmetals.
S, Mg, Al, P, N, Na.
The basis of the classifications proposed by Dobereiner, Newlands and Mendeleev was ______.
State whether true or false. If false, correct the statement.
Metals can gain electrons.
Which one of the following statements is not correct about the trends in the properties of the elements of a group on going down in a group?
Arrange the following elements in the order of their decreasing metallic character
Na, Si, Cl, Mg, Al
