Karteikarten
2.1
Karten in diesem Stapel (13)
- 1What does neutron mean?A particle with no electric charge it is found in the nucleus of an atom.
- 2What does atom mean?the fundamental building blocks of all material it consists of a cluster of proton and neutrons surrounded by a cloud of electrons.
- 3What does element mean?A substance made up of only one type of atom.
- 4What does compound mean?A pure substance that is made up of two or more atoms.
- 5Which ones are molecules or crystal lattice; oxygen copper diamond phosphorusA)molecule
B)crystal lattice
C)crystal lattice
D)molecule - 6Name the force that; attracts electrons to the nucleus makes protons repel each other holds protons together in the necleusA)electrostatic attractions
B) electrostatics
C) nuclear force - 7Explain why an atom is charged neutral?The number of electrons equals the number of protons making a neutral charge.
- 8What does atomic number mean?The number of protons in a nucleus.
- 9What does crystal lattice mean.A grid like of atoms and ions in which each particale is bonded to all of its neighboring atoms.
- 10What does ion mean?An atom that has gained or lost an atom.
- 11How do you find the neutron?Mass number -atomic number
- 12—
- 13—
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- Karteikarten am 2.1, erstellt von Kamael Alhujaimi am 02/05/2018.
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