Elements in the same family tend to have the same number of valence electrons. a. true b. false

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

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n

Scuba divers use tanks of compressed air to them breathe. gases can be compressed because?