A student was asked to determine the activity of four unknown metals, W,X,Y, and Z. They are given the metals and four nitrate solutions of the unknown metals. The nitrate are shown across the top of the chart. They place each metal in each compound except where there is a dashed line--, as shown in the chart. Unknown Appearance W(NO3)2 X(NO;)2 Y(NOɔ)2 ZNO, Becomes Metal Shiny, copper No reaction No reaction Silvery Веcomes Silvery Becomes Shiny, silver Darkens Flaky coating Y Shiny, silver Darkens No reaction Silvery Shiny, silver No reaction No reaction No reaction Based on the data, how should the student list the metals from least to most active? O Z-W-Y-X O X-Y-W-Z O Z-Y-W-X O X-W-Y-Z

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
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A student was asked to determine the activity of four unknown metals, W,X,Y, and Z. They are given the metals and four nitrate solutions of the unknown metals. The nitrate are shown across the top of the chart. They place
each metal in each compound except where there is a dashed line--, as shown in the chart.
Unknown
Appearance
W(NO3)2
X(NO3)2
Y(NO3)2
ZNO3
Веcomes
Silvery
Becomes
Silvery
Becomes
Silvery
Metal
W
Shiny, copper
No reaction
No reaction
X
Shiny, silver
Darkens
Flaky coating
Y
Shiny, silver
Darkens
No reaction
Shiny, silver
No reaction
No reaction
No reaction
Based on the data, how should the student list the metals from least to most active?
O Z-W-Y-X
O X-Y-W-Z
O Z-Y-W-X
O X-W-Y-Z
Transcribed Image Text:A student was asked to determine the activity of four unknown metals, W,X,Y, and Z. They are given the metals and four nitrate solutions of the unknown metals. The nitrate are shown across the top of the chart. They place each metal in each compound except where there is a dashed line--, as shown in the chart. Unknown Appearance W(NO3)2 X(NO3)2 Y(NO3)2 ZNO3 Веcomes Silvery Becomes Silvery Becomes Silvery Metal W Shiny, copper No reaction No reaction X Shiny, silver Darkens Flaky coating Y Shiny, silver Darkens No reaction Shiny, silver No reaction No reaction No reaction Based on the data, how should the student list the metals from least to most active? O Z-W-Y-X O X-Y-W-Z O Z-Y-W-X O X-W-Y-Z
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