Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
If an atom is electrically neutral, what must be true?
What is the smallest particle of an element that can take part in a chemical reaction?
Which particle is found in the nucleus of an atom and has a positive charge?
Which particle revolves around the nucleus in different orbits?
What is the charge on a neutron?
What is the symbol for the element Sodium?
What does the atomic number (Z) of an element represent?
How is the mass number (A) of an element calculated?
What is the name of the first shell around the nucleus?
What is the maximum number of electrons the K shell (n=1) can hold?
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