Which statement describes a chemical property? A particular substance evaporates at 30 °C.
A 2 ft. long metal bar has a mass of only 176 g.
A certain heavy metal turns to a liquid at room temperature.
A metal is added to a beaker of water, and the beaker explodes.

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