Which best describes the transfer of heat energy through radiation? a. heat energy is transferred from molecule to molecule by collision. b. cool, high pressure air pushes warm, low pressure air out of the way. c. energy absorbed from the sun is converted into heat energy. d. heat energy is trapped by the atmosphere.

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Find the mass, in grams, of 5.00*10^23 molecules of f2

How many valence electrons are in atom of radon?