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Each row on the periodic table represents a new energy level/electron shell. So as you go down the group there are more energy levels, increasing the atomic radius. The first electron to react will be ...

So, there are two parts to this question. 

Firstly, you need to decode the words in the question and transform this into an equation. 

From chemical knowledge, you know: aci...

An atom is made in such a way that the nucleus with the positive charges (protons) is in the centre and the negative charge (electrons) are arranged in shells around it.

All group 1 metal...

Benzene has a resonance structure while cyclohexane consists of only single bonds of the same length. Benzene's resonance structure means it has intermediate bond lengths and strengths. This means aver...

The easiest way to answer this question is by using the equation pH + pOH = 14. 

Firstly, we need to work out the number of moles of OH^- in the solution. As the formula for Ba(...