Question

EXERCISE 4.1
5. The mass of an electron is 1/1837 times
than mass of one atom of
OBJECTIVE TYPE QUESTIONS
A. Fill in the blank spaces by choosing the
correct words from the given list :
List : hydrogen, valence, positively, orbits, anu
1. According to J.J. Thomson's model of atom,
the electrons are embedded in a thinly
spread
charged sphere of
protons.
2. The fixed paths along which the electrons
revolve around the nucleus are called
8. Statements given below are incorrect. Write
the correct statements.
1. Chadwick discovered the electron.
2. A proton is 1/1837 times heavier than an
electron
3. The electrons in the outermost orbit of an
atom are called bound electrons
3. The electrons in the outermost orbit of an
atom are called
electrons.
4. According to Maharishi Kanad, the tiniest of
the tiny particle of a pure substance is called
4. The mass of neutron is equal to the
hydrogen atom and it is positively charged.
5. The core of an atom is called its centre.​

Answer 1

Answer:

म यसलाई भेग डे बनाउन सक्दिन र मलाई थाहा छैन यदि तपाईंले मेरो अन्तिम ईमेल पाउनुभयो भने