Atoms of which of elements will form covalent bonds in a compound A. C and O
B. Na and F
C. Co and Fe
D. Li and Al

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

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?