Matter and Qualitative Analysis - SCH4C Certifications Exam Practice Questions And 100% Verified Answers.
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Course
AC HPAT
Institution
AC HPAT
matter - correct answer takes up space and weighs something, has volume and mass, and thus density
density - correct answer g/mL
mixtures - correct answer ...
Matter and Qualitative Analysis - SCH4C
matter - correct answer takes up space and weighs something, has volume and
mass, and thus density
density - correct answer g/mL
mixtures - correct answer two or more compounds mixed together
compounds - correct answer groups of identical molecules
3 types of mixtures - correct answer solutions, mechanical mixtures, and
colloids/suspensions
mechanical mixture - correct answer two substances do not combine into one
phase
suspension - correct answer cross between a solution and mechanical mixture;
solid floating in liquid when container is shaken, but falls to ground when sitting
Bohr model of the atom - correct answer a dense, positively charged nucleus is
surrounded by electrons revolving around the nucleus in orbits with distinct energy levels
one atomic mass unit - correct answer both neutrons and protons are this
number of atoms - correct answer ~118
periods - correct answer rows on the periodic table
, families - correct answer Vertical columns on the periodic table
luster - correct answer ability to reflect light in a metallic shine
viscosity - correct answer higher viscosity = less resistance to flow
opaque - correct answer no light can pass through
ductile - correct answer ability to be drawn into a wire
spectral analysis - correct answer uses light or pattern of light given when a
chemical is excited by electricity or heat. The light pattern is compared to known substances to
determine identity of the chemical
precipitation and solubility - correct answer form of analysis to identify an
unknown chemical
precipitate - correct answer solid formed when two solutions are mixed; solid
that has colour and crystal type
chromatography - correct answer separation of a mixture's parts based on
varying solubility. Substance is placed on absorbent paper, and then placed in a solvent, and the
chemical dissolved in the solvent will move up the paper with the solvent
3 wave measurements - correct answer wave length, amplitude, and
frequency
wavelength - correct answer distance from peak to peak
amplitude - correct answer height of the peak
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