Advertisements
Advertisements
Question
An element A has 2 electrons in its fourth shell. State:
position in the periodic table
Advertisements
Solution
Position in the periodic table is group 2 period 4
APPEARS IN
RELATED QUESTIONS
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.
Define the term : Valency
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?
Where would you locate the element with electronic configuration 2, 8 in the modern periodic table?
An element A has atomic number 14. To which period does this element belong and how many elements are there in this period.
Select the correct answer
Number of shells in potassium are
The following questions refer to the Periodic Table.
Name the first and last element in period 2.
An element belongs to the third period and Group IIIA (13) of the periodic table. State: if it is a metal or non-metal?
Fill in the blank and rewrite the completed statement:
________ group in the periodic table contains elements that are all gases at room temperature.
State the following:
The group which contains highly electropositive metals including sodium.
