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Structure of the Atom

Chemistry ⇒ Atomic Structure and the Periodic Table

Structure of the Atom starts at 7 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Structure of the Atom. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
An atom of carbon has 6 protons and 6 neutrons. What is its mass number?
Describe the main difference between Bohr's model and Rutherford's model of the atom.
Describe the main features of Rutherford's model of the atom.
Explain why atoms are electrically neutral.
If an atom has 12 protons and 12 neutrons, what is its mass number?
If an atom has 15 protons, 16 neutrons, and 15 electrons, what is its mass number?
If an atom has 17 protons, how many electrons does it have in a neutral state?
If an atom has 20 protons, 20 neutrons, and 18 electrons, what is its charge?
State the difference between atomic number and mass number.
State the maximum number of electrons that can be accommodated in the M shell.
The electronic configuration of an atom is 2, 8, 7. What is its atomic number?
The nucleus of an atom contains which two types of particles?
What is the charge of a neutron?
What is the electronic configuration of sodium (atomic number 11)?
What is the mass number of an atom with 6 protons and 7 neutrons?
What is the maximum number of electrons that can be accommodated in the first shell (K shell) of an atom?
Which model of the atom is also known as the 'plum pudding model'?
Which scientist discovered the neutron?
Which scientist discovered the nucleus of the atom?
Which scientist proposed that electrons move in fixed orbits around the nucleus?