Advertisements
Advertisements
प्रश्न
Give the chemical formula of sodium nitrate
उत्तर
It denotes in a compound, the number of atoms of element present.
∴ Formula = \[\ce{NaNO3}\]
APPEARS IN
संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
The position of three elements A, B and C in the Periodic Table are shown below –
|
Group 16
|
Group 17
|
|
−
|
−
|
|
−
|
A
|
|
−
|
−
|
|
B
|
C
|
(a) State whether A is a metal or non-metal.
(b) State whether C is more reactive or less reactive than A.
(c) Will C be larger or smaller in size than B?
(d) Which type of ion, cation or anion, will be formed by element A?
Would you place the two isotopes of chlorine, CI-35 and CI-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
Explain why All the elements of a group have similar chemical properties.
Name an alkali metal in period 3 and halogen in period 2.
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Write scientific reason.
Lithium and sodium are included in the same group in periodic table.
Where would you locate the element with electronic configuration 2,8 in the Modern Periodic Table?
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
