Which ion is formed when an atom of flourine gains one electron

If only 10% of the energy at one trophic level is passed on the next, what happens to the rest?

What wavelength is produced? A wave is produced in a rope. The wave has a speed of 33 m/s and a frequency of 22 Hz. 0.67 m 0.75 m 1.5 m 3.0 m

An object weighing 49N is pushed across a floor by a force of 12 N. What is the acceleration of the object?

What volume of copper has a mass of 7.5 kg?

A scientist performs an experiment on an unknown element. She finds that the element forms an ionic bond with beryllium (Be) but not with lithium (Li). She concludes that the unknown element must belong in group 2 of the periodic table.

Bob drove from home to work at 60 mph. after work the traffic was? heavier, and he drove home at 50 mph. his driving time to and from work was 1 hour and 28 minutes. how far does he live from his? job?

How to measure voltage across an ungrounded component with a two channel oscilloscope?

In deep space there is very little friction once they are launched into a probe into deep space where there are no external forces acting on it scientists shut the probe's engines off because the scientists want the probe to

What topic in a biology textbook is directly related to physics

A soccer ball player bounces the ball off her head, changing the velocity of the ball. She changes the x-component of the velocity of the ball from vix = 7.9 m/s to vfx = 5.9 m/s and the y-component from viy = - 3.4 m/s to vfy = 4.5 m/s.