What is an atom, element, molecule, and compound? What is an
2017年3月29日 · An atom is a particle of matter that characterizes a chemical element. It is the smallest part of ordinary matter. It is made from particles called protons, neutrons and …
What function do Protons, Neutrons, and Electrons have in an …
2018年5月31日 · Too many neutrons in an atom will result in radioactive decay due to the neutrons' force overpowering the strong force. Electrons are the weirdest particles. They are …
How do atoms become ions? - Socratic
2014年3月21日 · An atom becomes an Ion (a) if it gains one or more electron(s) or (b) if it loses one or more electron(s). When it gains electrons it becomes negatively charged and is called …
Why do atoms emit or absorb light of specific wavelengths?
2016年2月21日 · The electrons in an atom can only occupy certain allowed energy levels. When an electron drops from a higher energy level to a lower one, the excess energy is emitted as a …
Excited States and Ground States - Chemistry - Socratic
2014年6月22日 · The ground state in quantum mechanics is the minimal energy of an atom or molecule. An excited state is any state of energy higher than the ground state which is usually …
How many electrons go on each ring according to the Bohr model?
2016年3月28日 · Electrons in the Bohr model follow the number of elements in the rows of the periodic table. 2 in the first orbit 8 in the second and third ring 18 in the fourth etc... The Bohr …
What are the names, charges, and locations of the three ... - Socratic
2015年11月13日 · Proton (charge of +e, in the nucleus), Neutron (0 charge, in the nucleus), and Electron (charge of –e, outside the nucleus). 1. Proton. This is a positively charged particle …
Periodic Trends in Atomic Size - Chemistry - Socratic
2018年3月15日 · Periodic trends predict differences between elemental characteristics as you move across the periodic table. Trends are based on Coulomb's law which mathematically …
Mass Number - Chemistry - Socratic
An atom of a sodium has 11 proton, 11 electrons, and 12 neutrons, what is its mass number? An element has 5 protons, 6 neutrons, and 5 electrons. What is the mass number?
How can you tell if an element wants to gain or lose electrons?
2017年8月1日 · Metals lose electrons, nonmetals gain electrons In general, metals will lose electrons to become a positive cation and nonmetals will gain electrons to become a negative …