Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.
Chapter 1, Problem 92AE
(a)
Interpretation Introduction
To determine: If the given statement “Air and water are both elements.” is correct; the correct version of this statement.
(b)
Interpretation Introduction
To determine: If the given statement “All mixtures contain at least one element and one compound.” is correct; the correct version of this statement.
(c)
Interpretation Introduction
To determine: If the given statement “Compounds can be decomposed into two or more other substances; element cannot.” is correct; the correct version of this statement.
(d)
Interpretation Introduction
To determine: If the given statement “Elements can exist in any of the three states of matter.” is correct; the correct version of this statement.
(e)
Interpretation Introduction
To determine: If the given statement “When yellow stains in a kitchen sink are treated with bleach water, the disappearance of the stains is due to a physical change.” is correct; the correct version of this statement.
(f)
Interpretation Introduction
To determine: If the given statement “A hypothesis is more weakly supported by experimental evidence than a theory.” is correct; the correct version of this statement.
(g)
Interpretation Introduction
To determine: If the given statement “The number 0.0033 has more significant figures than 0.033 .” is correct; the correct version of this statement.
(h)
Interpretation Introduction
To determine: If the given statement “Conversion factors used in converting units always have a numerical value of one.” is correct; the correct version of this statement.
(i)
Interpretation Introduction
To determine: If the given statement “Compounds always contain at least two different elements.” is correct; the correct version of this statement.
(c) SOCI
Best Lewis Structure
2
e group arrangement:
shape/molecular geometry:_
(d) PCls
Best Lewis Structure
polarity:
e group geometry:_
shape/molecular geometry:_
(e) Ba(BrO2):
Best Lewis Structure
polarity:
e group arrangement:
shape/molecular geometry:
polarity:
Sketch (with angles):
Sketch (with angles):
Sketch (with angles):
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