Flashcards
Nuclear Chemistry
Flashcards do conjunto (17)
- 1What is an anion?A negatively charged ion
- 2What is an atom?The smallest unit of a chemical element
- 3What does an atom contain?Protons, neutrons and electrons
- 4What is an atomic number?The number of protons in an atom
- 5What is an atom's electrical charge?Neutral
- 6What is atomic weight?The average mass of naturally occurring atoms
- 7What is a cation?A positively charged ion
- 8What is a compound?A substance that consists of more than one kind of atom
- 9What is a proton?A positively charged particle in an atom
- 10What is an electron?A negatively charged particle which obits the nucleus
- 11What is a neutron and where are they found?A particle with no electrical charge, found in all atoms
- 12What is an element?A substance consisting of the same type of atom
- 13What is a group?A column of elements on the periodic table
- 14What is a period?A row of elements on the periodic table
- 15What is an ion?An atom/molecule with an electrical charge due to an unequal amount of protons and electrons
- 16What is atomic mass?The amount of protons and neutrons
- 17What is an isotope?It is the same as an element, but has a different number of neutrons
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- Year 9 Science FlashCards sobre Nuclear Chemistry, criado por Jono Teng em 07-02-2016.
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- Jono Teng
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