Advertisements
Advertisements
प्रश्न
Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
उत्तर
(d) (ii) and (iv).
Isotopes of an element have the same atomic number and the same chemical properties.
APPEARS IN
संबंधित प्रश्न
Name the scientist who first of all showed that atomic number of an element is a more fundamental property than its atomic mass.
Fill in the following blank with suitable word:
Group 1 elements are called ...............
How were the positions of isotopes of an element decided in the modern periodic table?
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
On the basis of electronic configuration, how will you identify chemically similar elements?
On the basis of electronic configuration, how will you identify the first element of a period?
What is the main characteristic of the last elements in the periods of the periodic table? What is the general name of such elements?
What are the periods in a periodic table? Give two characteristics of each.
What are horizontal rows and vertical columns in a periodic table known as?
Spot the error:
The elements of group 13 are called the carbon family.
