Explanation:
The study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds
Ion channels allow things to cross the membrane
It is option A 4s cause n=4, l=1 this is 4s orbital
Those are called as element
Answer:
Electrons, with a charge of -1.
Explanation:
The nucleus of the atom is composed of protons and neutrons.
The nucleus is where the bulk of the mass of an atom is found.
Electrons orbit the nucleus in various energy levels.
Protons have a charge of +1, neutrons have no charge, and electrons have a charge of -1.
