Why is magnesium positioned in Group 2 of the periodic table?
All the elements within a group have the same number of electrons in their outermost shell. Magnesium is in group 2 because a magnesium atom has 2 electrons in its outer shell/outermost energy level.
OR give answer in terms of Magnesium's electronic configuration: 2.2
JD
Related Chemistry GCSE answers
All answers ▸Why is graphite softer than diamond if they are made up from the same covalently bonded carbon atoms?
What is the effect of increasing the temperature on the rate of reaction?
What is the relative formula mass of CaCO3?
How do I draw a dot and cross diagram for a molecule with a double bond