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Midterm of death (chemistry)
Terms in this set (64)
Nitrogen monoxide and oxygen, both colorless gases, form a red gas when mixed. Nitrogen monoxide and oxygen are called the...
A state of matter in which a material has no definite shape but has a definite volume is the state...
A solid substance is...
Always the same shape regardless of its container
A mixture is...
A blend of any two of more kinds of matter, as long as each maintains its own unique properties
If a mixture is not uniform throughout, it is called...
Which of the following is an example of a heterogeneous mixture...
All known chemical are organized into groups based on similar properties in ...
(Chemical chart, periodic chart, element table) none of the above
The vertical columns on the periodic table are called...
It is easy to determine whether a substance is a metal if the substance is...
A good electrical and heat conductor
Metal loud are often
The density of gold is 19.3 g/cm^3. What is the mass of a gold ring with a volume of 2.5cm^3?
The density of a pure diamond is 3.5g/cm^3. What is the volume of a diamond with a mass of 0.5g?
How many minutes are in 5 days?
These values were recorded as a mass of products when a chemical reaction was carried out 3 separate times: 8.83g, 8.84g, and 8.82g. The mass of products from that reaction is 8.60g. The values are...
Precise but not accurate
The measurement 0.00567g rounded off to two significant figures would be
The number of significant figures in the measured value of 0.04510g is
Which of these measurements has been expressed into 4 significant figures?
The dimension of a rectangular solid are measured to be 1.27cm, 1.3cm, and 2.5cm. The volume should be recorded as
How would 0.00930m be expressed in scientific notation?
2 variables are inversely proportional if their ____ has a constant value?
Experiments with cathode rays led to the discovery of the
Because most particles fired at metal foil passed straight through, Rutherford concluded that
Atoms were mostly empty space
A nuclear particle that has about the same mass as a proton, but with no electrical charge, is called
Protons with a nucleus are attracted to each other by
The nuclear force
Isotopes are atoms of the same elements that have different
In determining the atomic mass of elements, the standard is the
Neon-22 contains 12 neutrons. It also contains
A chemical can be defined as
Any substance that has a definite composition
250cm is equal to
Transition metals are in which groups of the periodic table
Biochemistry is the study of
The chemistry of living things
Which one is an example of scheme all change
According to the quantum theory of an atom, in an orbital
An electron's position cannot be known precisely
The major difference between a 1s and a 2s orbital is that
The 2s orbital is at a higher energy level
The letter designations for the first 4 sub levels with the maximum number of electrons that can be accommodated in each au level are
S:2 P:6 D:10 and F14
For the f sub-level, the number of orbitals is
The SI unit to measure length, mass, volume, and temperature are:
Meter, gram, liter, Celsius
Energy of radiation is directly proportional to its:
Atomic number of an element is
The number of electrons
What is the electron configuration for nitrogen (7)
1s^2, 2s^2, 2p^3
Elements in which the d sub level is being filled have the properties of
The most reactive group of the non metals is the
Compared to the alkali metals, the alkaline earth metals
Are less reactive
Which particle is involved in chemical bonding
The most intensive radiation is
Know the labeling of the wave
~Crest =highest point
~wavelength=length between crests-troughs
~amplitude=hight between origin and crest
How many significant figures: 2007
How many significant figures: 2007.00
How many significant figures: 500
How many significant figures: 0.00010
How many significant figures: 9120
Location of metals on periodic table
Left, middle, 2 rows at the bottom
Location of nonmetals on periodic table
Right of staircase (zigzag)
Location of metalloids on periodic table
Tough the staircase (zigzag)
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