Advertisements
Advertisements
Question
Which of the following is the outermost shell for elements of period 2?
Options
K shell
L shell
M shell
N shell
Solution
L shell
Explanation -
For all the elements in period two, the outer most shell is the second shell which is named as the L shell.
APPEARS IN
RELATED QUESTIONS
What is the name of those elements which divide metals and non-metals in the periodic table?
Name two elements in Inert gas.
Name the metals in the first twenty elements.
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
Give the symbol and valency of the following element and radical.
Ammonium
Distinguish between:
s-block - p-block
Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?
Compare the radii of two species X and Y. Give reasons for your answer.
- X has 12 protons and 12 electrons
- Y has 12 protons and 10 electrons
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
Give the criteria on the basis of which elements are placed (i) in a group and (ii) in a period in the modern periodic table. The atomic number of an element is 16. According to the criteria, in which group and period it should be placed?
