AP POLYCET CHEMISTRY Multiple Choice Questions (MCQs)
AP POLYCET CHEMISTRY - Structure of Atoms: Multiple Choice Questions (MCQs)
-
Who proposed the first atomic model?
- A) Bohr
- B) Thomson
- C) Rutherford
- D) Dalton (Answer)
-
What is the charge of a neutron?
- A) Positive
- B) Negative
- C) Neutral (Answer)
- D) Zero
-
Who proposed the concept of energy levels or shells in atoms?
- A) Bohr (Answer)
- B) Thomson
- C) Rutherford
- D) Heisenberg
-
What is the maximum number of electrons that can occupy the first energy level (K-shell)?
- A) 2 (Answer)
- B) 8
- C) 18
- D) 32
-
Which subatomic particle is found in the nucleus of an atom?
- A) Electron
- B) Proton
- C) Neutron
- D) Both B and C (Answer)
-
Which of the following statements is true about electrons?
- A) Electrons have a positive charge
- B) Electrons are heavier than protons
- C) Electrons orbit the nucleus in defined energy levels (Answer)
- D) Electrons are located in the nucleus
-
The number of protons in an atom determines its:
- A) Mass number
- B) Atomic number (Answer)
- C) Isotope
- D) Atomic mass
-
What is the charge of a proton?
- A) Positive (Answer)
- B) Negative
- C) Neutral
- D) Zero
-
The total number of protons and neutrons in an atom is called its:
- A) Atomic number
- B) Mass number (Answer)
- C) Isotope number
- D) Energy level
-
Which of the following elements has the same number of electrons and protons in its neutral state?
- A) Hydrogen (Answer)
- B) Oxygen
- C) Helium
- D) Sodium
-
The concept of quantized energy levels in an atom was introduced by:
- A) Rutherford
- B) Bohr (Answer)
- C) Thomson
- D) Heisenberg
-
What is the maximum number of electrons that can occupy the second energy level (L-shell)?
- A) 2
- B) 8 (Answer)
- C) 18
- D) 32
-
Which of the following best describes an isotope?
- A) Atoms of the same element with different numbers of neutrons (Answer)
- B) Atoms of different elements with the same number of neutrons
- C) Atoms with the same number of protons but different atomic numbers
- D) Atoms with the same number of electrons and protons
-
Which subatomic particle is responsible for the chemical behavior of an atom?
- A) Proton
- B) Neutron
- C) Electron (Answer)
- D) Photon
-
Which of the following statements is true according to Rutherford's atomic model?
- A) Electrons move in fixed orbits
- B) The nucleus is positively charged (Answer)
- C) The nucleus contains only neutrons
- D) Electrons are stationary in an atom
<< Previous Page l
Note/Caution: studentsbizz.com does not promise a job or an interview in exchange for money. Fraudsters may ask you to pay under the pretext of a registration fee or refundable fee, but please be aware that legitimate employers will not require such payments.
Join in Our Groups
@ 2024 Students Bizz Platform. All Rights Reserved.