Flashcards
Atomic Structure
Flashcards do conjunto (10)
- 1what is an Atom ?an atom is the smallest part of an element that can exist while still retaining properties of the element.
- 2what are the 3 particles found in an atom?protons, neutrons, electrons
- 3what is the nucleus made of ? where are electrons found ?protons and neutrons.
orbiting the nucleus. - 4—learn.
- 5which is the bigger number the (i) atomic number (ii) mass number(ii) mass number
- 6true or false number of protons = number of electronstrue
- 7the atomic number = the number of ___________ and the number of ______________ in the atom1) protons
2) electrons - 8how do u calculate the number of neutrons in an atom ?mass number - atomic number
big number - small number - 9what is the octet rule?each atom wants to have a full outer shell - usually 8 electrons except for group 1 atoms which have 2 in their outer shell. eg hitrogen
- 10what is an isotopeisotopes are atoms of the same element which have the same atomic numbers but different mass numbers.
Informações
- Descrição
- FlashCards sobre Atomic Structure, criado por louisa.bisgood em 12-05-2013.
- Criado por
- louisa.bisgood
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