Chemistry
Fill in the blank:
In Period 3, the most metallic element is …………….. (sodium / magnesium / aluminium)
Periodic Table
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Answer
In Period 3, the most metallic element is Sodium because metallic character decreases from left to right across a period.
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Related Questions
In Period 3 of the Periodic Table, element B is placed to the left of element A. On the basis of this information, choose the correct word from the brackets to complete the following statements:
(i) The element B would have (lower/higher) metallic character than A.
(ii) The element A would probably have (lesser/higher) electron affinity than B.
(iii) The element A would have (greater/smaller) atomic size than B.
Choose the correct answer from the options A, B, C and D given :
The most electronegative element from the following elements is :
- Magnesium
- Chlorine
- Aluminium
- Sulphur
Give the appropriate term defined by the statement given :
The tendency of an atom to attract electrons towards itself when combined in a covalent compound.
Arrange the following:
(i) Li, K, Na, H (In the decreasing order of their ionization potential)
(ii) F, B, N, O (In the increasing order of electron affinity).