exam Maths Puzzle Numerical Ability

SCIENCE CONECTED

find the total charge of each sodium
atom. Then decide whether the atom is
an ion. which atom is a symbol of Na+?

chart:

ATOM ELECTRONS

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exam Other Question
insert two geometric means between 6 and 162 A piece of wire 24 in long is bent into the shape of rectanlge having width X and Length y. Express the area A of the rectangle as a function of X.