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 7
Describe the location of electrons in an atom.
Describe what happens to the number of electrons when a neutral atom becomes a cation.
If an atom has 11 protons and 12 neutrons, what is its mass number?
If an atom has 17 protons, 18 neutrons, and 17 electrons, what is its mass number?
If an atom has 6 protons, 6 neutrons, and 6 electrons, what is its atomic number?
If an atom has 8 protons, 8 neutrons, and 10 electrons, what is its charge?
Name the scientist who proposed the nuclear model of the atom after the gold foil experiment.
What is the charge of a neutron?
What is the charge on the nucleus of an atom?
What is the main difference between a cation and an anion?
What is the main difference between the atomic models of Thomson and Rutherford?
What is the main reason atoms are electrically neutral?
What is the maximum number of electrons that can be present in the first shell (K shell) of an atom?
What is the name given to atoms of the same element with different numbers of neutrons?
What is the smallest particle of an element that retains the properties of that element?
Which part of the atom contains most of its mass?
Which subatomic particle determines the chemical properties of an atom?
A neutral atom of element X has 15 electrons. How many protons does it have?
An atom of magnesium has 12 protons, 12 neutrons, and 10 electrons. What is the overall charge of this atom?
Context: An atom has 20 protons, 20 neutrons, and 18 electrons.
What is the symbol and charge of this ion?
