Advertisements
Advertisements
Question
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.
Advertisements
Solution
Tetravalent non-metal is carbon [C]
APPEARS IN
RELATED QUESTIONS
How many groups and periods are there in the modern periodic table?
An element has 2 electrons in its N shell.
State the name assigned to this group.
An element X belong to 3rd periods and group II of the periodic table state:
the number of valence electrons,
On the basis of electronic configuration, how will you identify the first and the last element of a period?
How could the atomic radius of a noble gas be compared with the other elements in a period?
Select the correct answer
Most reactive character among the elements given below is found in
An element A has 2 electrons in its fourth shell. State:
position in the periodic table
Name the elements in Period 1.
Fill in the blanks from the words A to F given below’.
A: Decreases
B: Increases
C: Remains same
D: Increases by one
E: Electropositive
F: Electronegative
Across a period from left to right in the Modern Periodic Table.
No. of electron shells _________; No. of valence electrons __________: Electronegativity increases Character of elements changes from electropositive to ________.
Chlorine in the Periodic Table is surrounded by the elements with atomic number 9, 16, 18 and 35.
Which of these have Physical and Chemical properties resembling chlorine?
