Chemistry- metals and the periodic table

Descripción

Core Science Test sobre Chemistry- metals and the periodic table, creado por lizgracedaisy el 08/04/2014.
lizgracedaisy
Test por lizgracedaisy, actualizado hace más de 1 año
lizgracedaisy
Creado por lizgracedaisy hace más de 10 años
92
1

Resumen del Recurso

Pregunta 1

Pregunta
How many different elements are there?
Respuesta
  • Around 1000
  • Around 200
  • Around 100

Pregunta 2

Pregunta
Number of protons =
Respuesta
  • number of neutrons
  • mass number
  • number of electrons

Pregunta 3

Pregunta
Choose the BALANCED equation
Respuesta
  • Mg + O2 -> MgO
  • 2Mg + O2 -> 2Mg0
  • Mg + O2 -> 2MgO

Pregunta 4

Pregunta
How would Zinc (Zn) be extracted from its ore?
Respuesta
  • It's found as Zinc naturally
  • Electrolysis
  • Reduction with carbon

Pregunta 5

Pregunta
Methods of extracting copper like Bioleaching and Phytomining are good because....
Respuesta
  • High grade copper ores don't exist
  • High grade copper ores are running out
  • Demand for copper is decreasing so other methods are too large scale

Pregunta 6

Pregunta
Which of these is an alloy?
Respuesta
  • Silver
  • Bronze
  • Gold

Pregunta 7

Pregunta
On the second electron shell (when showing an element's electronic structure) there can be up to....
Respuesta
  • 2 electrons
  • 4 electrons
  • 8 electrons

Pregunta 8

Pregunta
If neon has 10 protons, which diagram correctly shows its electronic structure?

Pregunta 9

Pregunta
If neon has 10 protons, which diagram correctly shows its electronic structure?

Pregunta 10

Pregunta
Which of these is the most reactive?
Respuesta
  • Copper
  • Potassium
  • Hydrogen
Mostrar resumen completo Ocultar resumen completo

Similar

Biology- Fighting Disease
lizgracedaisy
C1:Making Crude Oil Useful (Science-GCSE)
Temi Onas
The Big Bang
I Turner
P.1 The Solar System (flashcards)
benadyl10
Core science - Physics
Annie.E
B1 Topic 1 Edexcel
Princess Terin
Cloning (Flashcards)
Katie G
P1 Topic 1 Edexcel
Princess Terin
Limestone (Flashcards)
Katie G
B1 Topic 2 Edexcel
Princess Terin
C1 Topic 1 edexcel
Princess Terin