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प्रश्न
An element has 2 electrons in its N shell.
Is it a metal or a non-metal?
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उत्तर
It is metal.
संबंधित प्रश्न
In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?
Fill in the following blank with suitable word:
Group 17 elements are known as ...............
The atomic particle whose number in the atoms of an element always remains the same and which forms the real basis for the modern classification of elements is:
(a) electron
(b) proton
(c) neutron
(d) meson
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
How does the electronic configuration of an atom relate to its position in the modern periodic table?
What is the main characteristic of the last element in each period of the periodic table?
An element barium has the atomic number 56. Look up its position in the periodic table and answer the following question.
Is it larger or smaller than caesium (Cs)?
Give the symbol and valency of the following element and radical.
Nitrogen [Nitride]
Give the symbol and valency of the following element and radical.
Hydroxide
The inert gas which lies in the third period is ______
