Question

How many valence electrons does lithium have​

Answer 1

1 valence electron

Step-by-step explanation:

So a neutral lithium atom has 3 protons and 3 electrons. Two electrons in shell 1 and one electron in shell 2. The 1 electrons are 'core' electrons. So Lithium has only 1 valence electron

Answer 2

1 valence electron

Step-by-step explanation:

The number of valence electrons is the same as the position in a row in the periodic table, at least for the first few rows. Therefore, Lithium being the 1st element in the second row has 1 valence electron.

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