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प्रश्न
Dalton said that ______ could not be divided.
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उत्तर
Dalton said that atoms could not be divided.
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संबंधित प्रश्न
What are the atomic numbers of elements whose outermost electrons is represented by 3p5?
Fill in the blanks.
Isotopes are the atoms of ______ element having the ______ atomic number but ______ mass number.
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?
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
Do isotopes have the same atomic number or the same mass number?
Draw the structure of the following atoms showing the nucleus containing – protons, neutrons and the orbits with the respective electron:
Isotopes of hydrogen [11H, 21H, 31H]
The particles that make up the atom are called ______ particles.
Electrons revolve around the nucleus in definite open shells.
K and L shells can accommodate a maximum of 2 and 8 electrons respectively.
State the term for the following:
The amount of substance which contains the same number of units as the number of atoms in carbon-12.
