Class 11ChemistryClassification of Elements and Periodicity in PropertiesMix Examples - Classification of Elements and Periodicity in Properties
DifficultWhich of the following statements are $NOT$ true about the periodic table?
$A.$ The properties of elements are a function of atomic weights.
$B.$ The properties of elements are a function of atomic numbers.
$C.$ Elements having similar outer electronic configuration are arranged in the same period.
$D.$ An element's location reflects the quantum numbers of the last filled orbital.
$E.$ The number of elements in a period is the same as the number of atomic orbitals available in the energy level that is being filled.
Choose the correct answer from the options given below:
$A.$ The properties of elements are a function of atomic weights.
$B.$ The properties of elements are a function of atomic numbers.
$C.$ Elements having similar outer electronic configuration are arranged in the same period.
$D.$ An element's location reflects the quantum numbers of the last filled orbital.
$E.$ The number of elements in a period is the same as the number of atomic orbitals available in the energy level that is being filled.
Choose the correct answer from the options given below:
- A$A, C$ and $E$ only
- B$D$ and $E$ only
- C$A$ and $E$ only
- D$B, C$ and $E$ only
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Similar Questions
The set of elements that differ in mutual relationship from those of the other sets is:
Select the correct order for the elements $B, C, N, O$:
Medium
View SolutionGiven below are two statements :
Statement $I$ : $K > Mg > Al > B$ is the correct order in terms of metallic character.
Statement $II$ : Atomic radius is always greater than the ionic radius for any element.
In the light of the above statements,choose the correct answer from the options given below
Statement $I$ : $K > Mg > Al > B$ is the correct order in terms of metallic character.
Statement $II$ : Atomic radius is always greater than the ionic radius for any element.
In the light of the above statements,choose the correct answer from the options given below
DifficultJEE MAIN 2026
View SolutionAssign true $(T)$ and false $(F)$ for the following statements and select the correct option for your answer:
$(a) \, IP$ of $O_{(g)}$ is less than $IP$ of $O_{(g)}^{-}$
$(b) \, IP$ of $Ne_{(g)}$ is greater than $IP$ of $Ne_{(g)}^{+}$
$(c) \, EA$ of $O_{(g)}^{+}$ is greater than $EA$ of $O_{(g)}$
$(d) \, IP$ of $N_{(g)}$ is greater than $IP$ of $N_{(g)}^{+}$
$(a) \, IP$ of $O_{(g)}$ is less than $IP$ of $O_{(g)}^{-}$
$(b) \, IP$ of $Ne_{(g)}$ is greater than $IP$ of $Ne_{(g)}^{+}$
$(c) \, EA$ of $O_{(g)}^{+}$ is greater than $EA$ of $O_{(g)}$
$(d) \, IP$ of $N_{(g)}$ is greater than $IP$ of $N_{(g)}^{+}$
Use the periodic table to answer the following questions.
$(a)$ Identify an element with five electrons in the outer subshell.
$(b)$ Identify an element that would tend to lose two electrons.
$(c)$ Identify an element that would tend to gain two electrons.
$(d)$ Identify the group having metal,non-metal,liquid as well as gas at room temperature.
$(a)$ Identify an element with five electrons in the outer subshell.
$(b)$ Identify an element that would tend to lose two electrons.
$(c)$ Identify an element that would tend to gain two electrons.
$(d)$ Identify the group having metal,non-metal,liquid as well as gas at room temperature.
Medium
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