Electrons — Structure & Properties
Read this topicExplanations 4
- If protons can't be added or removed to turn an element into other elements, how do chemical reactions manage to change substances into completely new things with different prop…
By Adrien, Gabi Slizewska, Eric Sears
- (Video) What Are the Characteristics of Electrons? | Chemistry Matters by GPB Education This video goes over some basics about electrons. In it, you'll learn the following few t…
By Mario Janakis, Gabi Slizewska
- The Electron Electrons are negatively charged sub-atomic particles that help make up atoms. Electrons are found outside the nucleus in orbitals. The outermost orbital contains v…
By Caroline Monahan, Gabi Slizewska, Eric Sears, Trisha
- Electrons in Quantum Mechanics In the early 1900s, scientists had a problem. The double slit experiment had shown that light was a wave. But, Einstein's photoelectric effect pro…
By Eric Sears
Problems 22
- In the atom, a proton has a positive charge (+1)(+1)(+1), and an electron has a negative charge (−1)(-1)(−1). If a hydrogen atom has 111 proton, and an oxygen atom has 888 proto…
- What is the charge on an electron?
- How many electrons are found in neutrons?
- How many electrons are found in protons?
- What are electrons composed of?
- Examine the diagram of a helium atom above. Which letter are the electrons labeled as?
- How many electrons can be contained within the first electron shell?
- The woah‾\underline{\phantom{woah}}woah rule describes the amount of electrons typically found in a full outer shell.
- The size of electron orbitals is about 100,000 times the size of the nucleus. If we imagine the nucleus to be earth (diameter 107~10^{7} 107m), which celestial body is most appr…
- Orbitals are woah‾\underline{\phantom{woah}}woah.
- Electrons have a woah‾\underline{\phantom{woah}}woah.
- Carbon-14 has 6 protons and 8 neutrons. How many electrons are found in a neutral carbon 14 atom?
- Carbon has 6 electrons, but only 4 of them are utilized when interacting with other atoms. Why might this be?
- Electrons are not bound within the nucleus like protons and neutrons. What causes electrons to be bound to atoms?
- Which is closest to the mass of an electron?
- Which picture correctly depicts how electrons fill in to a lithium atom?
- If an atom loses an electron, what happens to the charge?
- Sodium-23 has 11 protons and 12 neutrons. How many electrons does sodium-23 have when it has a +1 charge?
- Particles with like charges are repelled by one another, and particles with opposite charges are attracted to one another. Which of the following particles would attract an elec…
- Which electron in the diagram above has the highest energy?
- Electrons are repulsed‾\underline{\phantom{repulsed}}repulsed by other electrons, and attracted‾\underline{\phantom{attracted}}attracted by protons.
- Will a neutral atom of an element containing 6 protons be larger, smaller, or the same size as a neutral atom of an element containing 24 protons?