How many atoms of each element are in the chemical formula P2O5?

2 phosphorus and 5 oxygen

5 phosphorus and 2 oxygen

1 phosphorus and 5 oxygen

2 phosphorus and 1 oxygen

Is a sound wave's amplitude most closely related to it's loudness? I'm not quite sure

Which type of wave does NOT have a crest? A. a transverse wave B. an oscillating wave C. a longitudinal wave D. an electromagnetic wave

What is the measure of the force that gravity applies to an object

The kind of graph that would best show the results of a survey of 144 people where 75 ride a bus, 45 drive cars, 15 carpool, and 9 walk to work.

Why can't we see the moon during the new moon phase?

if light travels in a vacuum at 3.00 x 10^8m/s and its frequency is 7.44 x 10^7 what is its wavelength

the half-life of carbon - 14 is 5730 years. What fraction of carbon-14 would remain after 11,460 years?

An object with a mass of 10.9 kg experiences a force of 18.53 N. What is the acceleration of the object? A. 2.2 m/s2 B. 1.7 m/s2 C. 16.83 m/s2 D. 1.3 m/s2

A proton, starting from rest, accelerates through a potential difference of 1.0 kV and then moves into a magnetic field of 0.040 T at a right angle to the field. What is the radius of the proton's resulting orbit

Which of the following terms are needed to completely describe speed? Check all that apply. A. Units B. Direction C. Number D. Mass