Flashcards
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Flashcards do conjunto (18)
- 1What is an element?An element is made up of one sort of atom
- 2What is a compound?Have 2 or more different atoms bonded together
- 3What is an atom?Made up of tiny particles called atoms
- 4What is a molecule?Has 2 or more atoms chemically bonded together
- 5What is a mixture?Can be separated by physical means as substances are not chemically bonded together
- 6Carbonate ionCO3 2-
- 7Hydroxide ionOH-
- 8Nitrate ionNO3-
- 9Sulfate ionSO4 2-
- 10PhosphatePO4 3-
- 11HydrogencarbonateHC03
- 12Ammonium ionNH4+
- 13What is a salt?Formed when hydrogen ions are replaced by a metal or ammonium ion
- 14What is a proton?Mass = 1
Charge = +1
Location = nucleus - 15What is a neutron?Mass = 1
Charge = 0
Location = nucleus - 16What is an electron?Mass = 1/2000
Charge = -1
Location = orbiting nucleus - 17What is an atomic number?Number of protons in nucleus of atom
- 18What is a
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- FlashCards sobre Sem título, criado por hollyclare6 em 20-01-2016.
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