Single replacement reactions and the activity series
Grade 10 Science Worksheet - Building Confidence
Circle the best answer, or write your answer on the line.
In Cu + 2 AgNO₃ → Cu(NO₃)₂ + 2 Ag, 3 copper atoms react. How many silver atoms form, Ari?
In Cu + 2 AgNO₃ → Cu(NO₃)₂ + 2 Ag, 5 copper atoms react. How many silver atoms form, Bo?
In Cu + 2 AgNO₃ → Cu(NO₃)₂ + 2 Ag, 4 copper atoms react. How many silver atoms form, Esme?
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Activity ladder (most active at the top) (CK-12 activity series)
metal replaces hydrogen from potassium (K) cold water sodium (Na) cold water magnesium (Mg) steam aluminum (Al) steam zinc (Zn) steam iron (Fe) steam nickel (Ni) acids tin (Sn) acids hydrogen (H₂) reference line copper (Cu) neither water nor acids silver (Ag) neither water nor acids gold (Au) neither water nor acids Using the ladder, which metal is the most active, Jun?
- Zinc
- Potassium
- Gold
Using the ladder, can copper replace hydrogen from an acid, Kira?
- Yes: copper is a shiny metal
- No: copper is below hydrogen
- Yes: copper is above hydrogen
In a single replacement reaction, what happens, Milo?
- A compound splits into its elements
- Two compounds swap their partners
- An element replaces one in a compound
Zinc sits in blue copper sulfate solution. What coats the zinc, Pia?
- Yellow sulfur powder
- Gray silver crystals
- Reddish-brown copper
Will magnesium react with zinc nitrate solution, Ren?
- No: magnesium is below zinc
- Yes: magnesium is above zinc
- No: a metal can't replace a metal
Will silver react with copper(II) nitrate solution, Tala?
- Yes: silver is a shiny metal
- Yes: silver is above copper
- No: silver is below copper
Will iron react with dilute hydrochloric acid, Zee?
- Yes: iron is above hydrogen
- No: iron is below hydrogen
- No: acids don't react with metals