1. Refer to the chart below on physical properties of matter. Answer the questions and relate the intermolecular forces present among the species to explain the different properties exhibited by the substances. Melting and Boiling Points Molar Mass, g/mol Substance Melting Point, K Boiling Point, K Fluorine (F2) 38 53 85 Bromine (Br2) 160 266 332 Astatine (At2) 420 575 610 a. Which substance has the highest melting and boiling points? b. What intermolecular forces of interactions are present in each of the substances? c. How do the intermolecular forces present relate to the size of the substance?

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Chapter1: Chemical Foundations
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Activity 2:
1. Refer to the chart below on physical properties of matter. Answer the
questions and relate the intermolecular forces present among the
species to explain the different properties exhibited by the substances.
Melting and Boiling Points
Molar Mass,
g/mol
Substance
Melting Point, K Boiling Point, K
Fluorine (F2)
38
53
85
Bromine (Br2)
160
266
332
Astatine (At2)
420
575
610
a. Which substance has the highest melting and boiling points?
b. What intermolecular forces of interactions are present in each of
the substances?
c. How do the intermolecular forces present relate to the size of the
substance?
d. How do the strength of the intermolecular forces present in each
species compare to each other?
e. How does the strength of the intermolecular forces relate to the
boiling and melting points of the substances?
Transcribed Image Text:Activity 2: 1. Refer to the chart below on physical properties of matter. Answer the questions and relate the intermolecular forces present among the species to explain the different properties exhibited by the substances. Melting and Boiling Points Molar Mass, g/mol Substance Melting Point, K Boiling Point, K Fluorine (F2) 38 53 85 Bromine (Br2) 160 266 332 Astatine (At2) 420 575 610 a. Which substance has the highest melting and boiling points? b. What intermolecular forces of interactions are present in each of the substances? c. How do the intermolecular forces present relate to the size of the substance? d. How do the strength of the intermolecular forces present in each species compare to each other? e. How does the strength of the intermolecular forces relate to the boiling and melting points of the substances?
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