8Fe Chemical trends gamma
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Last updated 3 months ago
8 questions
Required
1
Match the alkali metal with its corresponding density (g/cm³).
Match the alkali metal with its corresponding density (g/cm³).
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Sodium | arrow_right_alt | 0.97 |
Potassium | arrow_right_alt | 0.86 |
Lithium | arrow_right_alt | 0.53 |
Required
1
Connect alkali metals with their densities in g/cm³.
Connect alkali metals with their densities in g/cm³.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
K | arrow_right_alt | 0.86 |
Li | arrow_right_alt | 0.53 |
Na | arrow_right_alt | 0.97 |
Required
1
Match the alkali metal names with their appropriate densities.
Match the alkali metal names with their appropriate densities.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Cs | arrow_right_alt | Unknown |
Fr | arrow_right_alt | 1.53 |
Rb | arrow_right_alt | 1.93 |
Required
1
Match the alkali metal with its melting point range.
Match the alkali metal with its melting point range.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Potassium | arrow_right_alt | 60-70°C |
Lithium | arrow_right_alt | 180-200°C |
Sodium | arrow_right_alt | 95-100°C |
Required
1
Match the alkali metal with its appearance.
Match the alkali metal with its appearance.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Lithium | arrow_right_alt | Silvery-white |
Potassium | arrow_right_alt | Silvery |
Sodium | arrow_right_alt | Silvery-white |
Required
2
What physical property increases down the alkali metal group?
What physical property increases down the alkali metal group?
Required
1
Where are alkali metals found on the periodic table?
Where are alkali metals found on the periodic table?
Required
1
Match the alkali metal density with reactivity order.
Match the alkali metal density with reactivity order.
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Low density | arrow_right_alt | Less reactive |
High density | arrow_right_alt | More reactive |
Variable density | arrow_right_alt | Mixed reactivity |