16 questions
Which of the following is the definition for a chemical property of matter?
anything that has mass and volume
the amount of matter something is made of
a property of matter that can be observed without changing the identity of the matter
a property that describes a substance based on its ability to change into a new substance
Which of the following is the definition for a physical property of matter?
a property that describes a substance based on its ability to change into a new substance
the amount of matter something is made of
anything that has mass and volume
a property of matter that can be observed without changing the identity of the matter
Find element 24. What is the symbol?
Co
V
Mn
Cr
The Dark Stair-Step like line on the table is where you find the
Metals
Non-metals
Metalloids
Noble Gases
A nonmetal is typically brittle, dull, and a poor conductor of heat and electricity. In which section of the periodic table would the element most likely be found?
1
2
3
4
An element has a metallic-gray appearance. It also has the properties of both a metal and nonmetal. In which section of the periodic table indicated above would the element most likely be found?
1
2
3
4
An element is shiny, malleable, and ductile. In which section of the periodic table will it most likely be found?
1 or 2
2 or 3
1 or 4
3 or 4
The density of a block of wood with a volume of 50 cubic centimeters and a mass of 100 grams is___________.
(Mass ÷ Volume = Density)
2 g/cm³
0.2 g/cm³
5000 g/cm³
150 g/cm³
If the mass of a solution is 120 grams and has a volume of a 30 ml, then the density of the liquid is
(mass/volume = density)
0.25 g/ml
3,600 g/ml
4 g/ml
2 g/ml
If you cut a wooden block in half, each half would have
Half the density of the original piece
Twice the density of the original piece
The same density as the original piece
No density at all
A scientist claims: Scott’s Brand Soil grows bigger plants than any other soil. Which of the following would be the best experiment to provide evidence to support this claim.
Plant the same type of plant in Scott’s brand and other name brand soils, measure the height and width daily.
Plant the same plant in Scott’s brand soil only and measure the height and width daily.
Plant different types of plants in Scott’s brand soil and other name brand soils, determine which one grows the most colorful flowers.
Plant different types of plants in Scott’s brand soil, put some of the plants in the sun and some in the dark and determine which plant grows the tallest.
The ability of sugar to burn is a _______________ property.
physical
chemical
A student mixes two clear liquids together. After a few minutes, a white powder can be seen settling in the bottom of the test tube. Which of the following is the best evidence of a chemical change? The two clear liquids—
were pure substances made of only one element before they were mixed.
have combined to produce a new substance called a precipitate.
are toxic and should be handled with extreme caution.
have been stored too long and are no longer good.
The image shows what happens when cold medicine tablets are placed in room temperature water. What is the best evidence that indicates a chemical change is produced?
The tablets sink in the water
The water becomes cloudy
The water level increases slightly
Gas bubbles are produced
Which of the following is an example of a chemical change
a spilled bucket of water
a melting popsicle
a spinning top
a match burning
Which of the following is the definition for a chemical property of matter
anything that has mass and volume
the amount of matter something is made of
a property of matter that can be observed without changing the identity of the matter
a property that describes a substance based on its ability to change into a new substance