Science MCQs
Practice multiple choice questions with instant feedback. Select an option to see if you're correct.
Which of the following is the correct electronic configuration for a neutral Carbon atom (Z=6)?
How many electrons are in a neutral atom of Oxygen (Atomic Number = 8)?
What is the total number of electrons in a neutral atom of Neon (Atomic Number = 10)?
How many neutrons are in an atom of Phosphorus with a mass number of 31?
What is the name given to atoms of the same element that have different mass numbers?
How many periods are there in the Modern Periodic Table?
How many groups are there in the Modern Periodic Table?
What are the horizontal rows in the Periodic Table called?
What are the vertical columns in the Periodic Table called?
What is the central part of an atom called?
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