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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.
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संबंधित प्रश्न
Give alongside is a part of the periodic table :
As we move horizontally from left to right:
| Li | Be | B | C | N | O | F | |
| Na | Mg | Al | Si | P | S | Cl |
(i) What happens to the metallic character of the elements?
(ii) What happens to the atomic size?
How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
Name two elements in Alkali metals.
Name two elements in each case:
Transition element
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
Give the symbol and valency of the following element and radical.
Hydroxide
Give the chemical formula of magnesium nitrate
Name the metalloids in the first twenty elements.
