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Starter quiz
Group 1 and 2 metals — Starter quiz
Question 1 of 4
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What is a group in the periodic table?
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a
A row of elements with the same number of electron shells.
b
A column of elements with the same number of electrons in their outer shell.
c
A row of elements arranged by increasing atomic number.
d
A column of elements with the same number of protons.
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