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Question | Answer |
A substance classified as a liquid contains particles that | May slide past each other |
An example of an extensive physical property is | Mass |
Which of the following is the best example of an intensive physical property | Color |
Physical means can be used to seperate | Mixtures |
To perform an experiment safely, the first thing you should do is | Read through the entire lab activity |
The SI base unit for time is the | Second |
To two significant figures, the measurement 0.0255 g should be reported as | 0.026 g |
The mass of a 5.00 cm^3 sample of gold is 96.5 g. The density of gold is | 19.3 g/cm^3 |
A volume of 1 cubic centimeter is equivalent to | 1 milliliter |
The SI standard units for length and mass are | Meter and kilogram |
The atomic number of Neon is 10. The atomic number of calcium is 20. Compared with a mole of neon, a mole of calcium contains | An equal number of atoms |
Isotopes are atoms of the same element that have different | Masses |
Molar mass | Both a and b |
Silicon-30 contains 14 protons. It also contains | 16 neutrons |
The nucleus of an atom has all of the following characteristics EXCEPT that it | Contains nearly all of the atoms volume |
If samples of two different elements each represent one mole, then | They contain the same number of atoms |
According to the Law of Definite Proportions, a water molecule will always have | 2 hydrogens and 1 oxygen |
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Wallaby
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