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Science Fill in the blank with correct answer.[1 Mark each]

Atomic Structure. · Tamil Nadu Board STD 8 (Tamil - English Medium). 16 questions.

Questions

Fill in the blank with correct answer.[1 Mark each]

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16 questions · timed · auto-graded

Question 41 Mark
All non – metals will have ……………… electrons in the outermost orbit of their atoms.
Answer
4 to 7
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Question 71 Mark
Cathode rays are made up of material particles which have mass and ……………….
Answer
kinetic energy
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Question 101 Mark
Isotopes have the same ……………… number but different ……………… numbers.
Answer
atomic, mass
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Question 111 Mark
Proton is deflected towards the _______ charged plate.
  • positively
  • negatively
Answer
Proton is deflected towards the negatively charged plate.
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Question 121 Mark
_______ is a negatively charged particle.
  • Electron
  • Proton
Answer
Electron is a negatively charged particle.
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Question 131 Mark
A negatively charged ion is called _______, while positively charged ion is called _______.
Answer
A negatively charged ion is called anion, while a positively charged ion is called a cation.
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Question 141 Mark
An atom is made up of _______, ______ and _______.
Answer
An atom is made up of proton, electron, and neutron.
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Fill in the blank with correct answer.[1 Mark each] - Science STD 8 Questions - Vidyadip