Posted by **alex** on Sunday, September 16, 2012 at 9:47am.

Na and K have low ﬁrst and high second ionization potentials, whereas Mg and Ca have

low values for both ﬁrst and second potentials.

These observations suggest that

## Answer this Question

## Related Questions

- physics - One strategy in a snowball ﬁght is to throw a snowball at a ...
- MATH - A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, ...
- Maths (Trigonometry) - Raylene who was involved in an orienteering competition. ...
- Calculus - ﬁnd the ﬁrst three non-zero terms of the Maclaurin ...
- Physics - A golfer takes two putts to get his ball into the hole once he is on ...
- Math - I don't really understand this, could someone help me solve it? a) In her...
- physics - The sugar concentration in a solution (e.g., in a urine specimen) can ...
- physics - The sugar concentration in a solution (e.g., in a urine specimen) can ...
- physics Damon??? - The sugar concentration in a solution (e.g., in a urine ...
- much needed help... - The sugar concentration in a solution (e.g., in a urine ...

More Related Questions