Advertisements
Advertisements
प्रश्न
Fill in the blank of the following statement :
All the mass of an atom is concentrated in a small region of space called the ___________.
Advertisements
उत्तर
All the mass of an atom is concentrated in a small region called the nucleus.
APPEARS IN
संबंधित प्रश्न
From the symbol `""_15^31"P"`, state : atomic number of phosphorus
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What are its atomic number and mass number?
Sulphur has an atomic number 16 and a mass of 32.
State the number of protons and neutrons in the nucleus of sulphur. Give a simple diagram to show the arrangement of electrons in an atom of sulphur.
Name or state the following:
Elements having same mass number but different atomic number
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
If an isotope of ‘H’ has mass no. = 3, how many neutrons does it have.
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Silicon [At. no. = 14, Mass no. = 28]
Differentiate mass number from atomic number.
______ = No. of protons = No. of the electrons.
Mass No. 27 is for the element ______.
What is the relation between mass number & atomic number?
