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Unit 1 Atomic Structure Review 2025
Quiz by Janice Bixler
Track each student's skills and progress in your Mastery dashboards
​Which of the following is the correct Bohr diagram for Aluminum?
Which of the following is the correct Bohr diagram for Aluminum?
How many electrons can the 2nd energy level hold?
What is the smallest part of a substance that cannot be broken down chemically?
What element is in the diagram?
The center of the atom is called theÂ
What subatomic particles are found in the nucleus?
How many protons does this atom have AND how did you come to that conclusion?
How many neutrons does chlorine have and how did you come to that conclusion?
Electrons are found in the ______________ and have a _______________ charge.
What is the name of the number, 13, at the top of aluminum's box?
How many neutrons does magnesium have?
What TWO pieces of information does the top number, 20, tell us about a neutral atom of calcium?
How many electrons does potassium have?
The first energy level of an atom holds ________ electrons.
The second energy level of an atoms holds _______ electrons.
The third energy level holds__________ electrons.
A student is looking at a model of a neutral atom. The model shows the atom has 19 subatomic particles in the nucleus. Ten of those subatomic particles do not have a charge.
Which statement about the model of the atom is true?
The diagram shows a model of an atom. The model contains three different subatomic particles. Particles X and Y are inside the nucleus, and particle Z is outside the nucleus.
We know that an unknown element has 5 protons, 6 neutrons. What element is it?
Most of the mass of an atom is found in the ____________ and most of the volume is found in the ______________.
Match terms to description.