Which pair of elements will form an ionic bond? A. nitrogen and oxygen
B. carbon and chlorine
C. barium and chlorine
D. carbon and oxygen

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

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe

One similarity and one difference between an element and a mixture of elements