NCSSM Summer Science Prep Course With
answers.
Meter cubed - (correct answer) - What is the SI unit for volume?
gf gf gf gf gf gfgf gf gf gf gf gf gf
4.55e-6 - (correct answer) - Convert 0.00000455 to scientific notation
gf gf gf gf gfgf gf gf gf gf
2.13e-3 - (correct answer) - 2.25 x 10^-3 - 1.2 x 10^-4 = ?
gf gf gf gf gfgf gf gf gf gf gf gf gf gf
1 cubic centimeter - (correct answer) - One milliliter is the same as:
gf gf gf gf gf gf gfgf gf gf gf gf gf
10e8 pm - (correct answer) - Which of the following represents the largest distance?
gf gf gf gf gf gfgf gf gf gf gf gf gf gf
25 - (correct answer) - A mixture contains 2.5 x 10^-
gf gf gf gf gfgf gf gf gf gf gf
2 milligrams of nickel. How many micrograms of nickel are in the mixture?
gf gf gf gf gf gf gf gf gf gf gf gf
6.5e7 mg - (correct answer) - Convert 65 kg to mg.
gf gf gf gf gf gfgf gf gf gf gf
7.70e4 mm^2 (mm squared) - (correct answer) - Convert 7.70x10^2 cm^2 to mm^2
gf gf gf gf gf gf gf gfgf gf gf gf gf
10e-6 - (correct answer) - How many cubic meters equals one cubic centimeter?
gf gf gf gf gfgf gf gf gf gf gf gf gf
371 K - (correct answer) - Convert 98oC to Kelvin degrees
gf gf gf gf gf gfgf gf gf gf gf
8.725e3 - (correct answer) - Convert 8725 to scientific notation
gf gf gf gf gfgf gf gf gf gf
5.28e2 - (correct answer) - Calculate the value of (6.60x10^-2)/(1.25x10^-4)
gf gf gf gf gfgf gf gf gf gf
milli - (correct answer) - The prefix that means 1/1000 of a unit is:
gf gf gf gf gfgf gf gf gf gf gf gf gf gf
1 gram = 10^3 (1e3) kilograms - (correct answer) -
gf gf gf gf gf gf gf gf gf
Which of the following metric relationships is incorrect?
gfgf gf gf gf gf gf gf gf
25,000 - (correct answer) - A volume of 0.025 kL can be expressed as ___________ mL.
gf gf gf gf gfgf gf gf gf gf gf gf gf gf gf gf
2.4 x 10^4 g (2.4e4 g) - (correct answer) - The mass of 24 kg equals:
gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf gf
10^6 (1e6) - (correct answer) - How many cubic millimeters equals one cubic decimeter?
gf gf gf gf gf gfgf gf gf gf gf gf gf gf
10^4 - (correct answer) - How many square millimeters equals one square decimeter?
gf gf gf gf gfgf gf gf gf gf gf gf gf
, 250 K - (correct answer) - Which of the following is the lowest temperature?
gf gf gf gf gf gfgf gf gf gf gf gf gf gf
Most elements are nonmetals - (correct answer) -
gf gf gf gf gf gf gf
Which statement is not correct about the Periodic Table?
gfgf gf gf gf gf gf gf gf gf
conducts heat and electricity, malleable and ductile - (correct answer) - Which are properties of metals?
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chlorine - (correct answer) - gf gf gf gf
An element that is a nonmetal, diatomic, and forms water soluble ionic compounds is most likely
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
They include transition elements. - (correct answer) -
gf gf gf gf gf gf gf
Which is not true about main group elements of the Periodic Table?
gfgf gf gf gf gf gf gf gf gf gf gf gf
N2 and O2 - (correct answer) - Air consists mostly of two gases. They are
gf gf gf gf gf gf gfgf gf gf gf gf gf gf gf
The number of elements in the Periodic Table is a constant. - (correct answer) -
gf gf gf gf gf gf gf gf gf gf gf gf gf gf
Which statement is not true about the Periodic Table?
gfgf gf gf gf gf gf gf gf gf
Forms soluble salts with Group 2 metals - (correct answer) - Which statement is not true about sulfur?
gf gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf gf gf
The earth's crust is about 28% silicon mainly as silicate minerals such as quartz, mica, and feldsbar. -
gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
(correct answer) -
gf gf gf
Silicon is used to produce solar cells. Why is it unlikely that the world will one day run out of silicon?
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they are highly reactive forming oxides and halides. - (correct answer) -
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The reason why Li, Na, and K are not found in nature in their elemental form is because
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
nonmetals, metalloids, and metals - (correct answer) - Group 14 (Carbon group) consists of
gf gf gf gf gf gf gf gfgf gf gf gf gf gf
They tend to form positively charged ions. - (correct answer) - Which statement is true about metals?
gf gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf gf
atomic mass - (correct answer) - Mendeleev's Periodic Table organized elements according to
gf gf gf gf gf gfgf gf gf gf gf gf gf
of unusually high isotopic masses - (correct answer) -
gf gf gf gf gf gf gf gf
Mendeleev's ordering of elements failed for Co, Te, and Ar because
gfgf gf gf gf gf gf gf gf gf gf gf
MgCO3 and CaCO3 in the oceans - (correct answer) -
gf gf gf gf gf gf gf gf gf
One suggestion to decrease carbon dioxide, CO2, in the atmosphere is to bubble it into the oceans. This
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
most likely will increase the amount of
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metalloid - (correct answer) - According to the Periodic Table silicon is categorized as a
gf gf gf gf gfgf gf gf gf gf gf gf gf gf gf
Ba - (correct answer) - The chemical symbol for barium is
gf gf gf gf gfgf gf gf gf gf gf
Pd (palladium) - (correct answer) - Ni most likely resembles
gf gf gf gf gf gfgf gf gf gf
elements are organized according to their properties. - (correct answer) -
gf gf gf gf gf gf gf gf gf gf
The modern Periodic Table is useful to scientists because
gfgf gf gf gf gf gf gf gf gf
answers.
Meter cubed - (correct answer) - What is the SI unit for volume?
gf gf gf gf gf gfgf gf gf gf gf gf gf
4.55e-6 - (correct answer) - Convert 0.00000455 to scientific notation
gf gf gf gf gfgf gf gf gf gf
2.13e-3 - (correct answer) - 2.25 x 10^-3 - 1.2 x 10^-4 = ?
gf gf gf gf gfgf gf gf gf gf gf gf gf gf
1 cubic centimeter - (correct answer) - One milliliter is the same as:
gf gf gf gf gf gf gfgf gf gf gf gf gf
10e8 pm - (correct answer) - Which of the following represents the largest distance?
gf gf gf gf gf gfgf gf gf gf gf gf gf gf
25 - (correct answer) - A mixture contains 2.5 x 10^-
gf gf gf gf gfgf gf gf gf gf gf
2 milligrams of nickel. How many micrograms of nickel are in the mixture?
gf gf gf gf gf gf gf gf gf gf gf gf
6.5e7 mg - (correct answer) - Convert 65 kg to mg.
gf gf gf gf gf gfgf gf gf gf gf
7.70e4 mm^2 (mm squared) - (correct answer) - Convert 7.70x10^2 cm^2 to mm^2
gf gf gf gf gf gf gf gfgf gf gf gf gf
10e-6 - (correct answer) - How many cubic meters equals one cubic centimeter?
gf gf gf gf gfgf gf gf gf gf gf gf gf
371 K - (correct answer) - Convert 98oC to Kelvin degrees
gf gf gf gf gf gfgf gf gf gf gf
8.725e3 - (correct answer) - Convert 8725 to scientific notation
gf gf gf gf gfgf gf gf gf gf
5.28e2 - (correct answer) - Calculate the value of (6.60x10^-2)/(1.25x10^-4)
gf gf gf gf gfgf gf gf gf gf
milli - (correct answer) - The prefix that means 1/1000 of a unit is:
gf gf gf gf gfgf gf gf gf gf gf gf gf gf
1 gram = 10^3 (1e3) kilograms - (correct answer) -
gf gf gf gf gf gf gf gf gf
Which of the following metric relationships is incorrect?
gfgf gf gf gf gf gf gf gf
25,000 - (correct answer) - A volume of 0.025 kL can be expressed as ___________ mL.
gf gf gf gf gfgf gf gf gf gf gf gf gf gf gf gf
2.4 x 10^4 g (2.4e4 g) - (correct answer) - The mass of 24 kg equals:
gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf gf
10^6 (1e6) - (correct answer) - How many cubic millimeters equals one cubic decimeter?
gf gf gf gf gf gfgf gf gf gf gf gf gf gf
10^4 - (correct answer) - How many square millimeters equals one square decimeter?
gf gf gf gf gfgf gf gf gf gf gf gf gf
, 250 K - (correct answer) - Which of the following is the lowest temperature?
gf gf gf gf gf gfgf gf gf gf gf gf gf gf
Most elements are nonmetals - (correct answer) -
gf gf gf gf gf gf gf
Which statement is not correct about the Periodic Table?
gfgf gf gf gf gf gf gf gf gf
conducts heat and electricity, malleable and ductile - (correct answer) - Which are properties of metals?
gf gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf
chlorine - (correct answer) - gf gf gf gf
An element that is a nonmetal, diatomic, and forms water soluble ionic compounds is most likely
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
They include transition elements. - (correct answer) -
gf gf gf gf gf gf gf
Which is not true about main group elements of the Periodic Table?
gfgf gf gf gf gf gf gf gf gf gf gf gf
N2 and O2 - (correct answer) - Air consists mostly of two gases. They are
gf gf gf gf gf gf gfgf gf gf gf gf gf gf gf
The number of elements in the Periodic Table is a constant. - (correct answer) -
gf gf gf gf gf gf gf gf gf gf gf gf gf gf
Which statement is not true about the Periodic Table?
gfgf gf gf gf gf gf gf gf gf
Forms soluble salts with Group 2 metals - (correct answer) - Which statement is not true about sulfur?
gf gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf gf gf
The earth's crust is about 28% silicon mainly as silicate minerals such as quartz, mica, and feldsbar. -
gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
(correct answer) -
gf gf gf
Silicon is used to produce solar cells. Why is it unlikely that the world will one day run out of silicon?
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
they are highly reactive forming oxides and halides. - (correct answer) -
gf gf gf gf gf gf gf gf gf gf gf
The reason why Li, Na, and K are not found in nature in their elemental form is because
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
nonmetals, metalloids, and metals - (correct answer) - Group 14 (Carbon group) consists of
gf gf gf gf gf gf gf gfgf gf gf gf gf gf
They tend to form positively charged ions. - (correct answer) - Which statement is true about metals?
gf gf gf gf gf gf gf gf gf gf gfgf gf gf gf gf gf
atomic mass - (correct answer) - Mendeleev's Periodic Table organized elements according to
gf gf gf gf gf gfgf gf gf gf gf gf gf
of unusually high isotopic masses - (correct answer) -
gf gf gf gf gf gf gf gf
Mendeleev's ordering of elements failed for Co, Te, and Ar because
gfgf gf gf gf gf gf gf gf gf gf gf
MgCO3 and CaCO3 in the oceans - (correct answer) -
gf gf gf gf gf gf gf gf gf
One suggestion to decrease carbon dioxide, CO2, in the atmosphere is to bubble it into the oceans. This
gfgf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf gf
most likely will increase the amount of
gf gf gf gf gf gf
metalloid - (correct answer) - According to the Periodic Table silicon is categorized as a
gf gf gf gf gfgf gf gf gf gf gf gf gf gf gf
Ba - (correct answer) - The chemical symbol for barium is
gf gf gf gf gfgf gf gf gf gf gf
Pd (palladium) - (correct answer) - Ni most likely resembles
gf gf gf gf gf gfgf gf gf gf
elements are organized according to their properties. - (correct answer) -
gf gf gf gf gf gf gf gf gf gf
The modern Periodic Table is useful to scientists because
gfgf gf gf gf gf gf gf gf gf
