If element ex has 52 protons how many electrons does it have

The half life of radon is 3.80 days. What would be its decay constant

A 1500-W heater is connected to a 120-V line. How much heat energy does it produce in 2.0 hours? Hint: how are power and energy related?

This is a measure of quantity of matter

The color of a star depends on its (composition, distance, temperature), (red, white, yellow) and - colored stars are the coolest.

If gas particles start colliding with the walls of their metallic container with increased force, what is their direct effect?. lower gas pressure. higher gas pressure. lower volume of gas. higher volume of gas

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

Calculate the acceleration of a 90-kg skydiver with a net force of - 883 N

For states with larger values of n that admit a d subshell, the d subshell is at even higher energy than the p subshell. In fact, its energy is higher than that of the s subshell for the n+1 state.

How does respiration differ from breathing

Before radiant energy can be converted to thermal energy, it must be changed to what