6th Chemistry Test

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1.
4 points
Various substances were placed into a container together. Each maintained its own physical properties. This would be called a
2.
4 points
A state of matter classified by having a definite size, shape and volume would be
3.
4 points
Some timber makes its way towards production of new products. When the timber is put the a chipper this is a
4.
4 points
Mosely and Mendeleev are credited with the organization of
5.
4 points
A student used a hot plate in an experiment. The beaker was placed on the hot plate to heat a liquid. This is an example of which thermal energy?
6.
4 points
During an experiment a student is attempting to boil water. The student takes the temperature at 58 degrees Celsius. How many more degrees does the student need to reach a boil.
7.
4 points
A substance made up of two or more elements chemically combined in a specific ratio is a(n)
8.
4 points
Compounds can be broken down into
9.
4 points
While boiling water and rice, a person notices that the rice appears to be moving in a circular motion. This is an example of which type of thermal energy being displayed?
10.
4 points
During a chemistry experiment, Mrs. Davis placed a piece of silver ribbon into a copper solution. The ribbon began changing color and a frost like precipitate formed on it. This would be an example of a
11.
4 points
Luster, malleability, magnetism, boiling and freezing point, texture and state of matter are examples of
12.
4 points
How many neutrons does Pt (Platinum have)?
13.
4 points
Which piece of glassware would be best for accurately measuring out 42mL of water?
14.
4 points
Which element is found in period 3, group 13?
15.
4 points
How many protons would the element found in period 6 group 5 have?
16.
4 points
When we exploded sodium with Mrs. Davis it was said to be highly reactive. Which group would it be found in on the periodic table?
17.
4 points
Calculate the mass of a rock that has a density of 2.2 g/ml and a volume of 34 mL.
18.
4 points
Color, texture, odor and temperature at which a substance melts are examples of
19.
4 points
There are two ways that matter can change. A change that alters the form or appearance of a material but does not make the material into another substance is a
20.
4 points
A study of the properties of matter and how matter changes is called
21.
4 points
Water is represented with the formula
2H + O ---> H20

Two _____ are shown to make the compound known as water.
22.
4 points
When a liquid changes into the gaseous form it reaches its boiling point and
23.
4 points
A pure substance that cannot be broken down into any other substances by chemical or physical means is a (n)
24.
4 points
Calculate the density of a substance that has a mass of 100g and a volume of 25 mL.
25.
4 points
During an experiment a student was bringing water to a boil. What temperature must the water reach in Fahrenheit.