How do the properties analyzed in this activity show periodicity of the chemical elements?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

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

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both