first six weeks review
TRANSCRIPT
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When a rock is dropped into a graduated cylinder, it raises the water in the graduated cylinder from 35ml to 40ml. If the mass of the key is 50g, what is the density of the key, in grams per milliliter?
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The following table shows properties of four different sample materials. One of these materials is cork, a type of wood that floats in water.
Given that the density of water is 1g/mL, which of these samples is most likely cork?
• A Sample 1 • B Sample 2 • C Sample 3 • D Sample 4
Physical Properties
Sample Number MassVolume
Sample 1 89 grams10 ml
Sample 2 26 grams10 ml
Sample 3 24 grams100 ml
Sample 4 160 grams 100 ml
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Vanessa was given a science kit containing a small piece of metal and the Data Table shown above. Each side of the metal was measured to be 2cm, and he measured the mass of the cube to be 41.6g. Based on the data table above, which mineral is Vanessa’s cube composed of?
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If the balance on the triple beam balance shows the mass of a book in grams, how many kilograms is the book? (remember King Henry Died by Drinking Chocolate Milk)
A. 0.6319 kgB. 6.319 kgC. 632 kgD. 631,900 kgE. None of the above
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• How many negatively charged particles are in the Bohr atom model shown to the above?
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Which atom is heaviest in mass?
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This is a Bohr model of what atom? (hint..remember count the protons)
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What is the electrical charge of this atom
A. -1B. 0C. +1D. +2E. +3
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Which model has the correct number of valence electrons (hint..remember to look at group/family ex. 1A, 2A, 3A, etc)
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Alkali Metals, Boron Family, Halogens, Alkaline Earth Metals, or Noble Gases,
Properties of ?
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How many elements are located in this chemical formula?
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Organic or InorganicWhich molecule match each above?
C3H8 + 5O2 → 3CO2 + 4H2O
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Which part of the periodic table is mostly used in our electronics?
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You GOT IT!!! STUDY
Tonight!!!
What do YOU need to do so you don’t look like these two guys tomorrow?