Subatomic Particles
Chemistry ⇒ Atomic Structure and the Periodic Table
Subatomic Particles starts at 7 and continues till grade 12.
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See sample questions for grade 12
A certain atom has 8 protons, 8 neutrons, and 10 electrons. What is its net charge?
A neutral atom of carbon has 6 protons and 6 neutrons. How many electrons does it have?
A neutral atom of sodium has 11 protons. How many electrons does it have?
Calculate the number of neutrons in an atom of chlorine-37 (atomic number 17).
Describe the difference between a cation and an anion in terms of subatomic particles.
Describe the location of electrons in an atom according to the modern atomic model.
Describe the role of electrons in the formation of ions.
Explain the difference between atomic number and mass number.
Explain why atoms are electrically neutral.
Explain why isotopes of the same element have similar chemical properties.
If an atom has 15 protons, 16 neutrons, and 15 electrons, what is its mass number?
If an atom has a mass number of 23 and an atomic number of 11, how many neutrons does it have?
What is the charge on a proton?
What is the mass number of an atom with 6 protons, 6 neutrons, and 6 electrons?
What is the relative charge of a neutron?
What is the significance of the neutron in the nucleus of an atom?
Which subatomic particle determines the atomic number of an element?
Which subatomic particle is not found in the nucleus?
Which subatomic particle is responsible for chemical bonding?
Which subatomic particle is responsible for most of the mass of an atom?
