EVALUATED QUESTIONS AND
ANSWERS FOR SEMMELWEIS
Atoms - CORRECT ANSWER-smallest unit of matter that
retains all of the chemical properties of an element
States of matter - CORRECT ANSWER-the physical forms of
matter, which include solid, liquid, and gas
Liquid - CORRECT ANSWER-No definite s...
Atoms - CORRECT ANSWER-smallest unit of matter that
retains all of the chemical properties of an element
States of matter - CORRECT ANSWER-the physical forms of
matter, which include solid, liquid, and gas
Liquid - CORRECT ANSWER-No definite shape (takes the
shape of its container)
Has definite volume
Particles are free to move over each other, but are still attracted
to each other
Solid - CORRECT ANSWER-A form of matter that has a
definite shape and volume
Gas - CORRECT ANSWER-A state of matter with no definite
shape or volume
Chemical bonds - CORRECT ANSWER-link elements together
to form more complex molecules called compounds. A
compound consists of two or more types of elements held
together by covalent or ionic bonds.
Three states of transition of matter - CORRECT ANSWER-
melting, freezing, evaporating
, Variables to consider for transition stage - CORRECT
ANSWER-pressure (P) and temperature (T).
Ideal Gas Law - CORRECT ANSWER-PV=nRT (n is equal to
the number of moles of the substance and R is the gas
constant 0.082)
Where V is volume, R is the gas constant, and n is the number
of moles of gas.
ideal gas law - CORRECT ANSWER-assumes that no
intermolecular forces are affecting the gas in any way, while the
van der Waals equation includes two constants, a and b, that
account for any intermolecular forces acting on the molecules
of the gas
Melting point (Tf) - CORRECT ANSWER-Each substance has a
melting point. The melting point is the temperature that a solid
will become a liquid. At different pressures, different
temperatures are required to melt a substance.
Atoms are made of - CORRECT ANSWER-protons, neutrons,
electrons
atoms are tiny indivisible particles - CORRECT ANSWER-
organic chemistry - CORRECT ANSWER-deals with carbon
compounds
Atoms bond together to form - CORRECT ANSWER-full outer
shells of electrons
protons and neutrons form - CORRECT ANSWER-nucleus of
an atom (centre)
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