Oxygen has an electronegativity of 3.4, phosporus has an electronegativity of 2.2 The bond between them is a. polar covalent
b. non polar covalent
c. metallic
d. ionic

Which characteristic of water it form droplets? a. low specific heat b. nonpolar structure c. high surface tension d. ability to dissolve substances

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.