Flashcards
Sem título
Flashcards do conjunto (17)
- 1The electron has what kind of charge?negative
- 2The proton has what kind of charge?positive
- 3The neurron has what kind of charge?none or neutral
- 4Which scientist proposed a model with positive spheres and negative electrons?Thomson
- 5What part of the atom has the majority of the volume?neucleus
- 6What two types of particles are found in the nucleus?proton and neutron
- 7Who discovered the atomic nucleus in 1911?Bohr
- 8Which atomic model has a positive nucleus and negative electron cloud?Modern
- 9The modern atomic model includes...An electron cloud
- 10Which scientist proposed a model with specific layers or shells?Bohr
- 11Which scientist proposed a model in which the atoms are thought of as tiny solids like balls or marbles?Dalton
- 12Who was the British School Teacher credited with proposing the first model of the atom?Dalton
- 13Which scientist saw the atom as mostly empty space?Rutherford
- 14Which scientist proposed a model of the atom that had electrons revolving around the center like planets around the sun?Bohr
- 15Which chemist proposed the particle theory of matter?Dalton
- 16Which scientist explained that atoms were too small to see?Dalton
- 17Which scientist explained that electrons were moving in fixed shells around the nucleus?Bohr
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- FlashCards sobre Sem título, criado por kathryn_faison em 02-12-2014.
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- kathryn_faison
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