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3rdqtChemistryCpSG
End of the quarter test study guide for chemistry cp
Question | Answer |
---|---|
Classify air as element, mixture, compound, or colloid? | Mixture |
Classify a blueberry muffinas element, mixture, compound, or colloid? | Mixture |
Classify salt water as an element, mixture, compound, or colloid? | Mixture |
Classify muddy water as an element, mixture, compound, or colloid? | Mixture |
Is boiling water an example of Intensive or extensive property? | Intensive |
Is density an example of Intensive or extensive property? | Intensive |
Is malleability an example of Intensive or Extensive property? | Intensive |
To which category of elements does an element belong if it is malleable? | Metal |
If it is brittle? | Non-metal |
If it tends too gain electrons when forming an ion? | Non-metal |
If it tends too lose electrons when forming an ion? | Metal |
If it is ductile? | Metal |
If it is a good conductor of heat? | Metal |
What type of mixture is black coffee? | Homogenous |
What type of mixture is blood? | Heterogenous |
What type of mixture is Chicken noodle soup? | Heterogenous |
What type of mixture is air? | Homogenous |
What type of mixture is dirt? | Heterogenous |
What type of mixture is concrete? | Heterogenous |
What factor determines the reactivity of an element? | Valence Electrons |
How many electrons can a single orbital hold? | 2 Electrons |
Number of Protons in Potassium-40 | 19 |
Number of neutrons in Potassium-40 | 21 |
Number of protons in Carbon-14 | 6 |
Number of protons in oxygen-17 | 8 |
Which isotope of Neon contains the same number of neutrons and protons? | Neon-20 |
Which scientist was famous for the "Oil-Drop Experiment"? | Millikan |
What law states that matter is niether created nor destroyed in any process? | Law of Conservation of Mass |
What did Rutherford's gold foil experiment show was small, dense, and positively charged? | The nucleus |
The atomic emission spectrum can be used |