Explain which characteristics of an electron are described by the principal quanturs number and the angular momentum numberPredict why the principle quantum number could never be zero or a negative number

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

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