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Flashcards on Physical and Chemical Properties
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What are physical properties?
Characteristics of a substance that can be observed without changing its chemical composition.
What are chemical properties?
Characteristics of a substance that describe how it interacts with other substances to form new substances.
What is the group number of Group 2 elements?
Group 2 elements are in Group 2 of the periodic table.
What is the atomic number range of Group 2 elements?
Group 2 elements have atomic numbers ranging from 4 to 12.
What is the general electron configuration of Group 2 elements?
Group 2 elements have the general electron configuration [noble gas] ns².
What is the trend in atomic radius within Group 2?
Atomic radius increases down Group 2.
What is the trend in ionization energy within Group 2?
Ionization energy decreases down Group 2.
What is the trend in reactivity within Group 2?
Reactivity increases down Group 2.
What is the boiling point trend within Group 2?
Boiling points increase down Group 2.
What is the trend in melting point within Group 2?
Melting points decrease down Group 2.
What is the common oxidation state of Group 2 elements?
Group 2 elements commonly have an oxidation state of +2.
Which Group 2 element is the most reactive?
Cesium (Cs) is the most reactive Group 2 element.
Which Group 2 element has the largest atomic radius?
Francium (Fr) has the largest atomic radius among Group 2 elements.
What is the common property of Group 2 elements?
Group 2 elements are all metals.
Which Group 2 element has the lowest boiling point?
Beryllium (Be) has the lowest boiling point among Group 2 elements.
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Test Your Knowledge
Which term describes characteristics of a substance that can be observed without changing its chemical composition?
Physical properties
Chemical properties
Atomic properties
Molecular properties
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What is the trend in atomic radius within Group 2?
Atomic radius increases
Atomic radius increases down Group 2
Atomic radius decreases
Atomic radius remains constant
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What is the trend in ionization energy within Group 2?
Ionization energy increases
Ionization energy decreases down Group 2
Ionization energy remains constant
Ionization energy increases down Group 2
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What is the trend in reactivity within Group 2?
Reactivity increases
Reactivity increases down Group 2
Reactivity remains constant
Reactivity decreases
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Which Group 2 element has the largest atomic radius?
Beryllium (Be)
Francium (Fr)
Calcium (Ca)
Radium (Ra)
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What is the common oxidation state of Group 2 elements?
+1
+2
+3
-2
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Which Group 2 element is the most reactive?
Magnesium (Mg)
Cesium (Cs)
Barium (Ba)
Strontium (Sr)
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What is the boiling point trend within Group 2?
Boiling points decrease
Boiling points increase down Group 2
Boiling points remain constant
Boiling points decrease down Group 2
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Which Group 2 element has the lowest boiling point?
Beryllium (Be)
Strontium (Sr)
Magnesium (Mg)
Radium (Ra)
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What is the trend in melting points within Group 2?
Melting points decrease down Group 2
Melting points increase
Melting points remain constant
Melting points increase down Group 2
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