Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements ?
Lithium, sodium, potassium are all metals that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements ?
Yes. The atoms of all the three elements lithium, sodium, and potassium have one electron in their outermost shells.
Similar Questions
What were the limitations of Newlands’ Law of Octaves ?
What were the limitations of Newlands’ Law of Octaves ?
In the Modern Periodic Table, which are the metals among the first ten elements ?
In the Modern Periodic Table, which are the metals among the first ten elements ?
Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic Table.
Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic Table.
Which element has
$(a)$ a total of three shells, with four electrons in its valence shell?
$(b)$ a total of two shells, with three electrons in its valence shell?
$(c)$ twice as many electrons in its second shell as in its first shell?
Which element has
$(a)$ a total of three shells, with four electrons in its valence shell?
$(b)$ a total of two shells, with three electrons in its valence shell?
$(c)$ twice as many electrons in its second shell as in its first shell?
The position of three elements $A$, $B$ and $C$ in the Periodic Table are shown below
Group $16$
Group $17$
-
-
-
$A$
-
-
$B$
$C$
$(a)$ Will $C$ be larger or smaller in size than $B$ ?
$(b) $ Which type of ion, cation or anion, will be formed by element $A$ ?
The position of three elements $A$, $B$ and $C$ in the Periodic Table are shown below
| Group $16$ | Group $17$ |
| - | - |
| - | $A$ |
| - | - |
| $B$ | $C$ |
$(a)$ Will $C$ be larger or smaller in size than $B$ ?
$(b) $ Which type of ion, cation or anion, will be formed by element $A$ ?