Advertisements
Advertisements
Question
An element has 2 electrons in its N shell.
State its position in periodic table.
Advertisements
Solution
Electronic configuration of the element is:
| K | L | M | N |
| 2 | 8 | 8 | 2 |
∴ Position in the periodic table is the 4th period. (Four shells).
APPEARS IN
RELATED QUESTIONS
Fill in the following blank with suitable word:
Group 17 elements are known as ...............
Consider the following elements:
Ca, Cl, Na, I, Li, Ba, Sr, K, Br
Separate these elements into three groups (families) of similar properties. State one property in each case on the basis of which you have made your choice.
Helium and neon are unreactive gases. What, if anything, do their atoms have in common?
State its position in the periodic table?
Give the symbol and valency of the following element and radical.
Hydrogen
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
Which of these belong to the same period?
| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
Which of the following elements would lose an electron easily?
Which of the following elements does not lose an electron easily?
