Methods of extracting copper like Bioleaching and Phytomining are good because....

High grade copper ores are running out

High grade copper ores don't exist

Demand for copper is decreasing so other methods are too large scale

Test

Chemistry- metals and the periodic table

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1How many different elements are there?
1. AAround 1000
2. BAround 200
3. CAround 100
2Number of protons =
1. Anumber of neutrons
2. Bmass number
3. Cnumber of electrons
3Choose the BALANCED equation
1. AMg + O2 -> MgO
2. B2Mg + O2 -> 2Mg0
3. CMg + O2 -> 2MgO
4How would Zinc (Zn) be extracted from its ore?
1. AIt's found as Zinc naturally
2. BElectrolysis
3. CReduction with carbon
5Methods of extracting copper like Bioleaching and Phytomining are good because....
1. AHigh grade copper ores don't exist
2. BHigh grade copper ores are running out
3. CDemand for copper is decreasing so other methods are too large scale
6Which of these is an alloy?
1. ASilver
2. BBronze
3. CGold
7On the second electron shell (when showing an element's electronic structure) there can be up to....
1. A2 electrons
2. B4 electrons
3. C8 electrons
8If neon has 10 protons, which diagram correctly shows its electronic structure?
1. A
2. B
3. C
9If neon has 10 protons, which diagram correctly shows its electronic structure?
1. A
2. B
3. C
10Which of these is the most reactive?
1. ACopper
2. BPotassium
3. CHydrogen

Descripción: Core Science Test sobre Chemistry- metals and the periodic table, creado por lizgracedaisy el 08/04/2014.
Autor: lizgracedaisy
Idioma: English
Visitas: 127
Etiquetas: aqa core gcse science core science core science
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