Flashcards
Inside The Atom
Flashcards do conjunto (13)
- 1How do you work out the mass of an atom?Adding together the numbers of protons and neutrons
- 2How do the charges of an atom cancel each other out?The atom has an equal number of protons and neutrons so it becomes neutral
- 3What charge do neutrons have?No charge and are neutral
- 4What is the mass number?Sum of the number of protons and neutrons in an atom
- 5What is the charge of a proton?Positive charge and a relative mass of 1
- 6What is the charge of an electron?Negative charge and a relative mass of almost 0
- 7What does the electronic configuration of an atom give?The number of its electrons and the arrangement of the shells
- 8How can you show electrons?As dots or crosses
- 9How many electrons can the first shell hold?Up to 2 electrons
- 10How many electrons can the seconds shell hold?Up to 8 electrons
- 11How many electrons can the third shell hold?Up to 18 electrons, but fills up with only 8 before the fourth shell is started
- 12Where are the protons, neutrons and electrons in an atom?Protons and neutrons are in the nucleus of an atom and the electrons are on the outer shell
- 13How do you know if some atoms have similar chemical properties?Same number of outer electrons
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- GCSE Chemistry FlashCards sobre Inside The Atom, criado por bethanywilliamso em 29-03-2016.
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- bethanywilliamso
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