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प्रश्न
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
Is it a metal or a non-metal?
उत्तर १
Since it belongs to group II, it has 2 valence electrons and hence it is a metal.
उत्तर २
Barium is a metal.
संबंधित प्रश्न
Arrange the following as per the instructions given in the brackets:
Cl, F, Br, I (increasing order of electron affinity)
Is is metal or non-metal?
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 elements at the bottom of a group would be expected to show ______ metallic character than the element at the top.
If an element is in group 7 is it likely to be metallic or non metallic in character?
Copy and complete the following sentence choosing the correct word or words from those given below, at the end of the sentence:
The element at the bottom of a group would be expected to show ______ metallic character than the element at the top.
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last). Answer the following question in relation to the given group of elements:
Which element has the most metallic character?
Arrange the following elements in order of their decreasing metallic character.
Na, Si, Cl, Mg, Al
The tendency of an element to form cation is the _______ character of that element.
Which of the following set of elements is written in order of their increasing metallic character?
