Match the key terms with the following descriptions. (a) �le smallest particle of an element that retains �le characteristic chemical properties of that element a change in which substances are converted into new substances that have compositions and properties different from those of the original (b) substances (c) anything that occupies space and is perceptible to the senses (d) a substance composed of two or more elements combined in de�nite proportions (e) a combination of atoms of one or more elements (f) a process Characterized by Changes only in �le physical properties of a substance not in its composition (g) the physical state in which matter has no �xed shape or volume but expands to �ll its container completely (h) �le energy possessed by an object because of its position (i) a tentative explanation for the properties or behaviour of matter that accounts for a set of observations and can be tested (j) the energy possessed by an object because of its motion
Match the key terms with the following descriptions. (a) �le smallest particle of an element that retains �le characteristic chemical properties of that element a change in which substances are converted into new substances that have compositions and properties different from those of the original (b) substances (c) anything that occupies space and is perceptible to the senses (d) a substance composed of two or more elements combined in de�nite proportions (e) a combination of atoms of one or more elements (f) a process Characterized by Changes only in �le physical properties of a substance not in its composition (g) the physical state in which matter has no �xed shape or volume but expands to �ll its container completely (h) �le energy possessed by an object because of its position (i) a tentative explanation for the properties or behaviour of matter that accounts for a set of observations and can be tested (j) the energy possessed by an object because of its motion
Solution Summary: The author defines a chemical change as the change in which substances are converted into new substances having different compositions and properties.
Match the key terms with the following descriptions.
(a) �le smallest particle of an element that retains �le characteristic chemical properties of that element a change in which substances are converted into new substances that have compositions and properties different from those of the original
(b) substances
(c) anything that occupies space and is perceptible to the senses
(d) a substance composed of two or more elements combined in de�nite proportions
(e) a combination of atoms of one or more elements
(f) a process Characterized by Changes only in �le physical properties of a substance not in its composition
(g) the physical state in which matter has no �xed shape or volume but expands to �ll its container completely
(h) �le energy possessed by an object because of its position
(i) a tentative explanation for the properties or behaviour of matter that accounts for a set of observations and can be tested
(j) the energy possessed by an object because of its motion
Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
(f) SO:
Best Lewis Structure
3
e group geometry:_
shape/molecular geometry:,
(g) CF2CF2
Best Lewis Structure
polarity:
e group arrangement:_
shape/molecular geometry:
(h) (NH4)2SO4
Best Lewis Structure
polarity:
e group arrangement:
shape/molecular geometry:
polarity:
Sketch (with angles):
Sketch (with angles):
Sketch (with angles):
1.
Problem Set 3b
Chem 141
For each of the following compounds draw the BEST Lewis Structure then sketch the molecule (showing
bond angles). Identify (i) electron group geometry (ii) shape around EACH central atom (iii) whether the
molecule is polar or non-polar (iv)
(a) SeF4
Best Lewis Structure
e group arrangement:_
shape/molecular geometry:
polarity:
(b) AsOBr3
Best Lewis Structure
e group arrangement:_
shape/molecular geometry:
polarity:
Sketch (with angles):
Sketch (with angles):
(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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Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
The Bohr Model of the atom and Atomic Emission Spectra: Atomic Structure tutorial | Crash Chemistry; Author: Crash Chemistry Academy;https://www.youtube.com/watch?v=apuWi_Fbtys;License: Standard YouTube License, CC-BY