NY Regents Chemistry Practice Questions
5 free NY Regents Chemistry practice questions with worked answers. Tap an option to check your answer and read the explanation — then get a personalized study plan.
Question 1Subatomic Particles
What is the number of protons in an atom with the electron configuration of 2–5?
Question 2Subatomic Particles
In the wave-mechanical model of an atom, an orbital is defined as
Question 3Electron Configuration
In the ground state, which shell of a potassium atom has an electron with the greatest amount of energy?
Question 4Isotopes & Atomic Mass
Which phrase describes two atoms that contain the same number of protons but a different number of neutrons?
Question 5Subatomic Particles
All atoms of an element have the same
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