Structure of the Atom
Chemistry ⇒ Atomic Structure and the Periodic Table
Structure of the Atom starts at 7 and continues till grade 12.
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See sample questions for grade 8
Describe the location of electrons in an atom according to the Bohr model.
If an atom has 11 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 11 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 6 protons, 6 neutrons, and 6 electrons, what is its atomic number?
What is the maximum number of electrons that can be accommodated in the second shell (L shell) of an atom? (1) 2 (2) 8 (3) 18 (4) 32
What is the maximum number of electrons that can be present in the first shell (K shell) of an atom? (1) 2 (2) 8 (3) 18 (4) 32
What is the relative mass of an electron compared to a proton? (1) About the same (2) Much smaller (3) Much larger (4) Exactly double
Which model of the atom described electrons orbiting the nucleus in fixed paths? (1) Dalton’s model (2) Thomson’s model (3) Rutherford’s model (4) Bohr’s model
The atomic mass of an atom is measured in ________.
The atomic number of an element is equal to the number of ________ in its atom.
The center of an atom is called the ________.
The electron configuration of an atom describes the arrangement of ________ in its shells.
True or False: All atoms of the same element have the same number of protons.
True or False: Electrons are found in the nucleus of an atom.
True or False: Electrons are heavier than protons.
True or False: Isotopes of an element have the same number of protons but different numbers of neutrons.
