What subatomic particles are *different* for isotopes of the same element e, g Boron-12 and Boron-11? 1) protons 3) mass
2) electrons 4) neutrons

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Calcium chloride +gold(1) oxide—>

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