Flashcards
Unit 1: The Nature of Matter
Flashcards do conjunto (17)
- 1atomthe smallest unit of an element that maintains the chemical properties of that element
- 2atomic massmass of an atom, in atomic mass units, located under element symbol
- 3atomic numbernumber of protons in the nucleus
- 4compounda substance made of two or more atoms chemically combined
- 5densitymeasure of the amount mass in a given volume
- 6electronnegatively charged particle that lives outside of the nucleus
- 7elementa substance that cannot be separated or broken down into simpler substances by physical or chemical means
- 8massmeasure of the amount of matter in an object
- 9matteranything that has mass and takes up space
- 10mixturecombination of 2 or more substances not chemically combined
- 11moleculethe smallest part of a substance that keeps the chemical properties of that substance
- 12neutronneutrally charged particle in the center of the atom
- 13nucleuscenter of the atom, contains protons and neutrons
- 14periodhorizontal row of elements
- 15periodic table of the elementstable that organizes all elements based on specific properties and characteristics
- 16protonpositively charged particle in the center of the atom
- 17volumethe amount of space an object takes up
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- FlashCards sobre Unit 1: The Nature of Matter, criado por sventresca em 30-06-2014.
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