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प्रश्न
Select the correct answer from the options given below.
Is the group number of the element whose atomic number is 4.
विकल्प
group – 1
group – 2
group – 18
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उत्तर
group – 2
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संबंधित प्रश्न
The metal of Group 2 from top to bottom arc Be, Mg, Ca, Sr, and Ba.
1) Which one of these elements will form ions most readily and why?
2) State the common feature in the electronic configuration of all these elements.
Name two properties of elements whose magnitudes change when going from top to bottom in a group of the periodic table. In what manner do they change?
Which of the following is the valence shell for the elements of second period of the modern periodic table?
(a) M shell
(b) K shell
(c) L shell
(d) N shell
An element X belong to 3rd periods and group II of the periodic table state:
the number of valence electrons,
State the number of elements in periods 1, Periods 2, and Period 3 of the periodic table. Name them.
An element Z has atomic number 16. Answer the following
(a) State the period and group to which Z belongs
(b) Is Z a metal or a non-metal?
(c) State the formula between Z and hydrogen.
(d) what kind of a compund is this?
Formula of ion of A is A2+. Element A probably belongs to ______ group.
Name and state the following with reference to the elements of the first three periods of the periodic table.
Metalloid in Period 3.
The electronic configuration of an element is 2, 8, 4. State it:
name and write its one physical property.
Name or state following with reference to the element of the first three periods of the periodic table.
A non-metal in period 2 having electronic configuration 2, 6.
