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 11
A neutral atom of carbon has 6 protons and 6 neutrons. How many electrons does it have?
An atom of sodium has 11 protons, 12 neutrons, and 11 electrons. What is its mass number?
Calculate the number of neutrons in an atom of chlorine-37 (atomic number 17).
Describe the difference between an ion and an atom in terms of subatomic particles.
Describe the role of neutrons in the nucleus.
Explain why atoms are electrically neutral.
If an atom has 15 protons, 16 neutrons, and 18 electrons, what is its net charge?
If an atom has a mass number of 40 and an atomic number of 18, how many neutrons does it have?
State the location of electrons in an atom.
What is the charge on a neutron?
What is the main difference between a proton and a neutron?
What is the relative charge of an electron?
Which subatomic particle determines the chemical identity of an element?
Which subatomic particle is involved in chemical bonding?
Which subatomic particle is most responsible for the chemical properties of an element?
Which subatomic particle is responsible for most of the mass of an atom?
Which subatomic particle was discovered first?
