Which element would you expect to have a higher electronegativity than nitrogen (N) ?

fluorine (F)

cesium (Cs)

boron (B)

phosphorous (P)

For all values of x, y, and z, which expression is equivalent to 5xy. 5z? 5 (x + y + 2) 10xyz 25xyz 25 + x + y + z

Where does the pattern of the tides come from?

How much work does it take to move a 50 μC charge against a 12 V potential difference?

The actual size of a gold nucleus is approximately 7 fm. Knowing this, calculate the kinetic energy (KE, or KEa, however you may choose to label the measurement) that an alpha particle would need to just touch the outside of the nucleus.

Describe the difference between potencial and kinetic energy

It takes 3.3 j of work to stretch a hooke's-law spring 15 cm from its unstressed length. how much the extra work is required to stretch it an additional 11.3 cm? answer in units of j.

Reading Africa's Big Break 1. Which of the following best describes the purpose of the article? a. The passage is an advertisement to encourage you to buy something. b. The passage is to persuade you to make a certain decision. c.

What must quantities have before they can be added or subtracted?

A brick sits on the top of a hill with a gravitational potential energy of 245 J. To determine the gravitational potential of the brick, we would also need to know which one of the following

What is the current produced by a potential difference of 240 Volts through a resistance of. 2 ohms