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Question
What is meant by a Group in the Periodic Table?
Solution
The verticle columns from top to bottom are called groups.
RELATED QUESTIONS
Write the electronic configuration of K and Ne.
Write the number of periods the Modern Periodic Table has. State the changes in valency and metallic character of elements as we move from left to right in a period. Also state the changes, if any, in the valency and atomic size of elements as we move down a group.
Write any one difference in the electronic configurations of group-1 and group-2 elements ?
Name the element that has two shells, both of which are completely filled with electrons.
Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)
Use the letters only written in the Periodic Table given below to answer the questions that Follow :
1) State the number of valence electrons in atom J.
2) Which element shown forms ions with a single negative charge?
3)Which metallic element is more reactive than R?
4) Which element has its electrons arranged in four shells?
What is meant by a group in the periodic table?
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
The position of elements A, B, C, D and E in the periodic table are shown below:
|
Group 1 |
Group 2 |
Group 17 |
Group 18 |
|
|
|
|
D |
|
|
B |
C |
|
|
A |
|
|
E |
State which is most reactive (i) metal (ii) non-metal
Name or state following with reference to the element of the first three periods of the periodic table.
A non-metal in period 2 which is tetravalent.
