element K has the following electronic configuration 1s2 2s2 2p6 3s2 . how many unpaired electrons can be found in K

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

Element before carbon on the periodic table

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these