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प्रश्न
State whether true or false. If false, correct the statement.
Metals can gain electrons.
पर्याय
True
False
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उत्तर
False.
Correct Statement: Metals tend to lose electrons to attain Noble Gas electron configuration.
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संबंधित प्रश्न
The element which forms a basis oxide has the atomic number of:
(a) 18
(b) 17
(c) 14
(d) 19
The non-metal A is an important constituent of our food and most of the fuels around us. A forms two oxides B and C. The oxide B is poisonous whereas oxide C causes global warming.
(a) Identify A, B and C.
(b) To which group of periodic table does A belong?
(c) Name another element which is placed in the same group as A.
Answer the following question.
Write the name, symbol, and electronic configuration of an element X whose atomic number is 11.
The number of periods and groups in the periodic table are ______
If the distance between two Cl atoms in a Cl2 molecule is 1.98Å, then the radius of the Cl atom is ______.
Moseley’s periodic table is based on atomic mass.
An element X combines with oxygen to form an oxide XO. This oxide is electrically conducting. Write the formula of the compound formed when X reacts with chlorine.
Which of the following is a transition element?
Which of the following elements does not lose an electron easily?
How are elements grouped into various families in the periodic table?
