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- All elements are made up of atoms
- Atoms have the same number of protons as electrons
- Protons have a positive charge
- Neutrons have no charge
- Electrons have a negative charge and circle the nucleus
- Discovered by J.J. Thomson in 1897
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Glossary
- Electrons: Negatively charged subatomic particle that is in constant motion in the outer region of an atom
- Protons: Positively charged particles located in the nucleus
- Nuetrons: Particles that carry no charge and are found in the nucleus
- Nucleus: Very small dense region in the center of the atom that holds the neutrons and protons
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Atoms Questions
Chlorine has 2 isotopes and . These have atomic masses 34.9689 amu and 36.9659 amu respectively. Their ratio in nature is 75.77 percent a 2 AnswersThe contribution from the lighter isotope is: 34.9689 AMU x 0.7577 = 26.4959 AMU The contribution from the heavier isotope is: 36.9659 AMU x 0.2423 = 8.9568... read more
What is an atom? 2 AnswersAn atom is the smallest possible unit of an element. Everything that you see, smell, touch, and taste is made of molecules, and molecules are made of atoms. read more
Does Neil deGrasse Tyson think that a Universe is born from a densely packed atom created from the remnants of a blackhole? 4 AnswersNo credible astrophysicist believes that the center of a black hole consists of a single massive atom composed of normal matter (protons, neutrons, and electron... read more
Whatever happened to... Atomic Kitten? 1 AnswerAccording to their website, all of the members are now having a solo career. The band itself has not been broken up. http://www.atomickitten.com/?detectflash=... read more -
Fast Facts
- All elements are made up of atoms
- Atoms have the same number of protons as electrons
- Protons have a positive charge
- Neutrons have no charge
- Electrons have a negative charge and circle the nucleus
- Discovered by J.J. Thomson in 1897
-
Glossary
- </small>
- Electrons: Negatively charged subatomic particle that is in constant motion in the outer region of an atom
- Protons: Positively charged particles located in the nucleus
- Nuetrons: Particles that carry no charge and are found in the nucleus
- Nucleus: Very small dense region in the center of the atom that holds the neutrons and protons
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