Chemistry the Central Science, 121
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | Physical material of the universe, anything that has mass and occupies space.
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| show | Any characteristic that allows us to recognize a particular type of matter and to distinguish it from other types.
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| show | A substance that cannot be separated into a simpler substance by chemical means.
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| show | Two or more atoms that are joined together in specific shapes.
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| Define a pure substance: | show 🗑
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| show | Law of definite proportions, the elemental composition of a pure compound is always the same.
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| What is another name for a homogeneous mixture and its definition? | show 🗑
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| show | Observable without changing identity, color odor, density, melting point, boiling point, and hardness.
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| What are some chemical properties of matter? | show 🗑
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| What are intensive properties? | show 🗑
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| show | depend on quantity, mass, volume.
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| show | M - Mega (10^6), k - Kilo (10^3), c - Centi (10^-2), m - Milli (10^-3), mue - Micro (10^-6), p - Pico (10^-6)
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| show | 9/5(C) + 32
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| What is the conversion for C to Kelvin? | show 🗑
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| show | The length of the cube cubed
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| show | L=dm^3, mL=cm^3
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| What is the formula for density? | show 🗑
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| show | A measure of how closely individual measurements agree with one another
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| show | How closely individual measurements agree with the "true" value.
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| The numbers 2.2g and 2.2405g have how many sig figs? | show 🗑
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| show | Yes
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| show | No, 0.02 (1), 0.0026 (2)
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| Regarding zeroes at the end of a number are they significant significant if they contain a decimal point? e.g. 0.0200, 3.0 | show 🗑
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| Regarding zeroes at the end of a number are they significant if there is no decimal point? e.g. 10,300 | show 🗑
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| show | The result ends with the number that has the fewest decimal places. 104.842 = 104.8
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| Regarding significant figures what is the rule multiplication and division? e.g. 6.221 X 5.2 = | show 🗑
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| What are the three types of radiation? | show 🗑
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| show | alpha and beta
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| show | alpha positive, beta negative, gamma neutral.
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| show | proton +1 & 1 amu, electron -1 & 0.0005486 amu, neutron none & 1 amu
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| show | Angstrom (A with a circle above), angstroms equal 10^10m
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| show | ^11C has 6 protons and 5 neutrons where 14^C has 6 protons and 8 neutrons
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| What is the relative size of an atom and of its nucleus? | show 🗑
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| What is the number of protons in the nucleus of an atom called and where is it on the periodic table listing? | show 🗑
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| What is the term for the number of the protons and neutrons in an element as well as its position on the periodic table listing? | show 🗑
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| show | isotopes.
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| What are the conversions for amu to g? | show 🗑
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| What is the name of the group on the periodic table from 57-70? | show 🗑
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| show | Actinides
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| show | Groups
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| show | Periods
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| show | International Union of Pure and Applied Chemistry
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| show | Alkali metals
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| What is the group name for 2A? | show 🗑
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| What is the name for group 6A? | show 🗑
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| show | Halogens
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| What is the name for the group 8A? | show 🗑
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| show | hydrogen, oxygen, nitrogen, and the halogens.
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| show | Empirical formulas, the subscripts in these formulas are always the smallest possible whole number ratios.
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