Which element has the highest electronegativity?

Why do elements that make positive ions occur on the left side of the periodic table while those that make negative ions occur on the right?

how many neutrons does the most common isotope of hydrogen have? A) 1 B) 2 C) 0 D) cannot be determined

The Atlantic Ocean • Formed because of _ at the Mid-Atlantic Ridge.

Choose all the right answers. Which are correct functions of the cell membrane? allows oxygen to enter allows carbon dioxide to enter stops harmful chemicals from entering stops harmful chemicals from exiting acts like a gate keeper

Which of the following describes an important role scientists have in society?

Given the equation 4Al + 3O2 - -> 2Al2O3 if 325 grams of Al2O3 are to be formed, determine the mass of aluminum that must be reacted with excess oxygen. Question 4 options: 101.77g Al 26.9g Al 171.80g Al 6.38g Al

Which statement describes the redox reaction that occurs when an object is electroplated? A. It is spontaneous and requires an electric current. B. It is spontaneous and produces an electric current. C.

How many grams are in 0.21mol sample of ethyl alcohol?

How is the evidence from a fire scene collected? What should be avoided?

What is covalent compound?