8. If an atom contains 12 protons and 10 neutrons, what's its mass number?

A. 2

B. 10

C. 12

D. 22

What it's mass number?

1. core layer where tectonic plates collide, spread, and rub, creating surface features and events, like volcanoes and earthquakes 2. mantle layer where convection currents circulate, driving plate tectonics 3.

P*V = n*R*T where P = pressure V = volume n = number of moles R = the universal gas constant T = temperature in degrees Kelvin This equation is known as the ideal gas law, and it can be used to predict the behavior of many gases at relatively low

Can the object be in motion if the net force acting on it is zero? explain.

10 What produces electromagnetic radiation?

A horizontal 790-N merry-go-round of radius 1.60 m is started from rest by a constant horizontal force of 45 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 4.0 s. (Assume it is a solid cylinder.

What is true about the frequency and wavelength of this sound? A:The wavelength of the sound is 0.800 m. B: The wavelength of the sound is 2.72 m. C:The frequency of the sound is 125 Hz. D:The frequency of the sound is 425 Hz.

What is caused by extra estrongen in women

Which force is the more dominant one in the hydrogen atom, the gravitational or the electrical? by what factor?

Name the elements from which nichrome can be made.

The power output of a typical large power plant is 1000 megawatts (MW). Express this result in W, kW, and GW