Flashcards
Physics 4: Atomic Structure
Flashcards do conjunto (19)
- 1How big is an Atom?10^-10
- 2What is the mass of a proton?1
- 3What is the mass of a neutron?1
- 4What is the mass of an electron?1/1836
- 5What is the charge on a proton?+1
- 6What is the charge on an electron?-1
- 7What is the charge on a neutron?0
- 8Where are protons found?In the nucleus.
- 9Where are neutrons found?In the nucleus
- 10Where are electrons found?Outer shells.
- 11What happens to electrons when they absorb or emit radiation?They can move between shells.
- 12What is the atomic number?The atomic number of an atom is the number of protons it contains.
- 13What is the atomic mass number?The total amount of protons and neutrons in an atomic nucleus.
- 14How do you find the number of protons an atom has?The same as the atomic number.
- 15How do you find the number of electrons an atom has?If the atom is neutral, the number of electrons will be equal to the number of protons.
- 16How do you find the number of neutrons an atom has?Relative atomic mass - Atomic number
- 17Why do atoms have no overall charge?Equal amount of positive and negative charges.
- 18How do ions get charged?They gain or lose electrons gain a full outer shell.
- 19What is an isotope?Isotopes are atoms of the same element with different mass numbers.
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- Year 10 Physics FlashCards sobre Physics 4: Atomic Structure, criado por Anony mous em 09-11-2017.
- Criado por
- Anony mous
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