Quiz
Atomic Structure Review #1
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Perguntas do quiz (24)
1The atomic number of an element is equal to:
- AA the number of neutrons in the atom
- BB the number of protons in the atom
- CC the number of protons plus the number of electrons
- DD the number of protons plus the number of neutrons
2How many electrons would be found in an atom of oxygen (atomic number 8)?
- AA 4
- BB 8
- CC 2
- DD 6
3How many neutrons are there in an atom of hydrogen-3?
- AA 3
- BB 1
- CC 0
- DD 2
4How many electrons, neutrons and protons would be found in an atom of carbon-14 (atomic number 6)?
- AA 8 electrons, 8 neutrons, 6 protons
- BB 6 electrons, 6 neutrons, 8 protons
- CC 6 electrons, 6 neutrons, 6 protons
- DD 6 electrons, 8 neutrons, 6 protons
5Most of the mass of the atom can be found in the .........
- AA charges
- BB nucleus
- CC electron cloud
- DD electrons
6Which of the following accurately summarizes the isotope Argon-40?
- AA 22 protons, 22 electrons, 18 neutrons
- BB 39.95 protons, 39.95 electrons, 21.05 neutrons
- CC 18 protons, 18 electrons, 22 neutrons
- DD 40 protons, 40 electrons, 18 neutrons
7The mass number of an atom is determined by:
- AA adding the neutrons and electrons
- BB adding the neutrons and protons
- CC the number of protons only
- DD adding the protons and electrons
8An atom of uranium-238 differs from an atom of uranium-235 in the following way:
- AA Uranium-238 has three more neutrons than uranium-235
- BB Uranium-238 has a larger electron cloud than uranium-235
- CC Uranium-238 has three more protons than uranium-235
- DD Uranium-238 has three more electrons than uranium-235
9Which of the following accurately summarizes the isotope Helium-3?
- AA 4 protons, 4 electrons, 0 neutrons
- BB 3 protons, 3 electrons, 0 neutrons
- CC 2 protons, 2 electrons, 1 neutron
- DD 3 protons, 1 electrons, 0 neutrons
10Names this piece of apparatus.
- AA glass stir rod
- BB dropper
- CC funnel
- DD pipette
11Name this piece of apparatus.
- AA glass plate
- BB weighing boat
- CC crucible
- DD pipette
12Name this piece of apparatus.
- AA spatula
- BB test tube holder
- CC test tube brushes
- DD test tube tongs
13Name this piece of apparatus.
- AA dropper
- BB wash bottle
- CC pipette
- DD side-arm flask
14Give a name and a use for this piece of apparatus.
- AA Measuring cylinder; to weigh out an amount of a substance.
- BB Funnel; to heat a substance strongly in.
- CC Crucible & lid; used to heat a substance and form an oxide which is collected in the crucible
- DD pipet; to heat and collect the resulting compound in.
15Give a name and a use for this piece of apparatus.
- AA Watch glass; for holding a small amount of solid or evaporating a small amount of a precipitate
- BB Weighing boat; to hold a small amount of solid while determining its mass.
- CC Crucible; foe melting lead in.
- DD Glass plate; for holding a small amount of liquid in.
16Name this apparatus.
- AA weigh boat
- BB plastic plate
- CC water trough
- DD overflow tray
17Name this apparatus.
- AA Iron (filter) ring
- BB Wire gauze
- CC Capstan block
- DD Ring stand
18Name this apparatus.
- AA Chromatogram
- BB Test tube rack
- CC Pipe(clay) Triangle
- DD Time of Flight Spectrometer
19Name this apparatus.
- AA Conical flask
- BB Round bottom flask
- CC Florence flask
- DD Volumetric flask
20Name this apparatus
- AA Crucible tongs
- BB Spatulas
- CC Beaker tongs
- DD Forceps
21Name this apparatus.
- AA Pipette
- BB Stirring rod
- CC Glass tubing
- DD Dropper
22Name this apparatus.
- AA Test tube spatula
- BB Test tube holder
- CC Forceps
- DD Beaker tongs
23Name this apparatus.
- AA Wire gauze
- BB Test tube racks
- CC Ring stands
- DD Circle stands
24Name this apparatus
- AA volumetric flask
- BB florence flask
- CC measuring cylinder
- DD graduated cylinder
Informações
- Descrição
- Quiz on atomic structure for AS Chemistry
- Autor
- Jeffrey Piggott
- Idioma
- English
- Visualizações
- 8
- Etiquetas
- Avaliação
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