properties
What is boiling point ?
is when the temperature at which a liquid boils and turns to vapor.
salt
NaCl
Mixture
A combination of two or more substances that are not chemically combined
Filtration
the process that separates a solid from the liquid in a heterogeneous mixture
C2H6O + 3 O2
2 CO2 + 3 H2O
What is melting point?
the temperature at which a liquid boils and turns to vapor.
gold
Au
Homogeneous Mixture
A mixture in which substances are evenly distributed throughout the mixture
Sifting
a process used to separate the parts of a mixture by particle size
2 AgI + Na2S
Ag2S + 2 NaI
What is freezing point?
temperature at which a liquid becomes a solid
water
H2O
Heterogeneous Mixture
A mixture in which different materials can be distinguished easily
Malleability
the ability of a substance to be hammered or beaten into thin sheets
Ba3N2 + 6 H2O
3 Ba(OH)2 + 2 NH3
What is flammability
is the ability of a chemical to burn or ignite,
iron
Fe
Compound
A substance made up of atoms of two or more different elements joined by chemical bonds
Ductility
the ability of a substance to be pulled into a wire
4 NH4OH + KAl(SO4)2ยท12H2O
Al(OH)3 + 2 (NH4)2SO4 + KOH + 12 H2O
What is toxicity?
the degree to which a chemical substance or a particular mixture of substances can damage an organism.
technetium
Tc
pure substance
A substance that has a fixed chemical composition throughout
Oxidation
The loss of electrons from a substance involved in a redox reaction
B2Br6 + 6 HNO3
2 B(NO3)3 + 6 HBr