Advertisements
Advertisements
Question
With reference to the variation of properties in the Periodic table, which of the following is generally true?
Options
Atomic size increases from left to right across a period.
Ionization potential increases from left to right across a period.
Electron affinity increases going down a group.
Electro-negativity increases going down a group.
Solution
Ionization potential increases from left to right across a period.
APPEARS IN
RELATED QUESTIONS
An element 'X' has mass number 35 and number of neutrons 18. Write atomic number and electronic configuration of 'X'. Also write group number, period number and valency of 'X'.
Write the atomic numbers of two elements 'X' and 'Y' having electronic configuration 2, 8, 2 and 2, 8, 6 respectively.
Classify the following elements into metals, non-metals and metalliods
As, C, Hg, Mg, S, Si
Fill in the blank in the following statement:
In going across a period (right to left) in periodic table, the atomic size of the atom ...............
In each of the following pair, choose the atom having the bigger size:
(a) Mg (At. No.12) or Cl (At. No.17)
What do you understand by orbits?
How do the following change on moving from left to right in a period of the periodic table?
Give examples in support of your answer.
Chemical reactivity of elements ?
Fill in the blank
There are ______ groups and ______ periods in the modern form of periodic table.
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
To which period do these elements belong?
State the property trends in general of elements on moving from left to right in a period of the periodic table.
