Flashcards
2.1 FLASHCARDS
Flashcards do conjunto (14)
- 1what are atomsThe fundamental building blocks of all materials it consist of a cluster of protons and neutrons surrounded by a cloud of electrons.
- 2what is STMSTM is also known as scanning tunneling microscope which are billion of silicon atoms stuck together to form a silicon crystal.
- 3how many atoms are naturally found on earthThere are only 98 of these that are found naturally on earth.
- 4What are moleculesthey are a cluster of atoms that makes up an element or a compound.
- 5what is crystal latticecrystal lattice is a structure of atoms or ions in which each particle is bonded to all of its neighbouring atoms.
- 6what are moleculesmolecules are a cluster of atoms that makes up an element or compound
- 7molecular elementseach molecule is made of just one type of atom
- 8what are subatomic atomsthe particles that atoms are made of protons neutrons and electrons
- 9the diagram that shows the protons and neutrons
- 10properties of subatomic particles
- 11what are electron cloudthe region of negative charge surrounding the nucleus containing the electrons
- 12what are ionsan atom that has gained or lost an electron
- 13what is cationAn ion that has fewer electrons than protons and is positively charged.
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- FlashCards sobre 2.1 FLASHCARDS, criado por Rana Nabhan em 04-05-2019.
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- Rana Nabhan
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