Flashcards
Chemistry Chapter 1 - Atomic Structure
Flashcards do conjunto (9)
- 1AtomThe smallest unit of matter in any element, it is electrically neutral, having an equal number of protons and electrons
- 2ProtonA positively (+) charged subatomic particle located in the nucleus of an atom
- 3Atomic numberA unique number for each element on the periodic table that is equal to the number of protons in an atom of that element. It also determines the identity of an element.
- 4Electrical chargeA form of electrical charge designated negative, positive or neutral (meaning without charge) that is found on the subatomic particles that make up all atoms
- 5NeutronA subatomic particle similar in size to a proton and also found in the nucleus of an atom that has no (0) electric charge
- 6NucleusThe tiny, very dense, positively charged region in the center of an atom made up of protons and neutrons
- 7Mass numberThe mass of a single isotope or atom. The mass number is equal to the protons and neutrons in an atom
- 8Atomic massThe average mass of all the isotopes that make up an element
- 9ElectronA negatively (-) charged subatomic particle located in the electron cloud outside the nucleus
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- GCSE Core Science FlashCards sobre Chemistry Chapter 1 - Atomic Structure, criado por Caitlin Neville em 08-05-2019.
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- Caitlin Neville
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