1. Which element has a greater electronegativity? fluorine (9) or radium (88)
2. Which element has a smaller atomic radius?
tungsten (74) or oxygen (8)
3. Which element has a greater ionization energy?
argon (18) or rubidium (37)

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

What expression is equivalent to (84+16)