Which of the following elements has the highest electronegativity? A.
Boron (B)

B.
Carbon (C)

C.
Oxygen (O)

D.
Nitrogen (N)

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space