Figure 2 shows two atoms represented as solid spheres. A hydrogen atom has a radius of 2.5 × 10^–11 m
Determine the radius of a magnesium atom.
Use measurements from Figure 2.

How much heat is required to convert 0.3 kg of ice at 0°c to water at the same temperature

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?