2704401
Frage 1
Frage
Group 1 Elements or the Alkali Metals are Silvery metals that react with water. Which of the following is NOT a characteristic of the alkali metals
Antworten
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More reactive than other metals
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Softer than other elements
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Lighter than other elements
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Higher melting and boiling points
Frage 2
Frage
Which of the following trends of Alkali metals down the group is untrue
Antworten
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Softness increases down the group
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Melting and boiling points decrease down the group
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Density decreases down the group
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Reactivity increases down the group
Frage 3
Frage
Group VII Elements also known as
Antworten
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Transition metals
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Halogens
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Noble Gases
Frage 4
Frage
Describe the appearance of Bromine, a halogen
Antworten
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Black solid
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Green gas
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yellow gas
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dark red liquid
Frage 5
Frage
All halogens form what
Antworten
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A coloured gas
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A coloured compound
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A catalyst (the protector)
Frage 6
Frage
Halogens exist as diatomic molecules
Antworten
- True
- False
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