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प्रश्न
Supply the missing word from the words given in brackets.
If an element has one electron in its outermost energy level, then it is likely to be _ (metallic, non metallic)
उत्तर
Metallic.
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संबंधित प्रश्न
An element X belong to 3rd periods and group II of the periodic table state:
whether it is a metal or a non-metal.
The electronic configuration of an element T is 2, 8, 8, 1.
Is it a metal or a non-metal?
A metal M forms as oxide having the formula M2O3. It belongs to third period. Write the atomic number and valency of the metal.
Choose the correct answer.
An alkaline earth metal
(i) Lead
(ii) potassium
(iii) calcium
(iv) Copper
Write scientific reason.
Metallic character goes on decreasing while going from left to right in a period.
The metallic character of the element decreases moving across a period from left to the right.
Write an Explanation.
Electropositivity
Write an Explanation.
Electronegativity
3, 1, 2 electrons are in valence shells of X, Y, Z elements. From this information, state the group in which they belong and write their valencies.
A metal ‘M’ is in the first group of the Periodic Table. What will be the formula of its oxide?