Chemistry General Quiz - 2

Descripción

GCSE Chemistry Test sobre Chemistry General Quiz - 2, creado por lauren_johncock el 29/12/2013.
lauren_johncock
Test por lauren_johncock, actualizado hace más de 1 año
lauren_johncock
Creado por lauren_johncock hace casi 11 años
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Resumen del Recurso

Pregunta 1

Pregunta
In solids, there are strong forces of attraction between particles, which holds them close together in fixed positions to form a regular lattice arrangement.
Respuesta
  • True
  • False

Pregunta 2

Pregunta
What can change the particles?
Respuesta
  • Physical changes.
  • Arrangement or energy.

Pregunta 3

Pregunta
The mass number is the total of protons and neutrons.
Respuesta
  • True
  • False

Pregunta 4

Pregunta
The atomic number tells you the number of electrons there are.
Respuesta
  • True
  • False

Pregunta 5

Pregunta
What is the relative mass of an electron?
Respuesta
  • 1
  • 1/2000

Pregunta 6

Pregunta
Giant Ionic Compounds have low melting points and boiling points.
Respuesta
  • True.
  • False - they have high melting and boiling points.

Pregunta 7

Pregunta
A covalent bond is a shared pair of electrons.
Respuesta
  • True
  • False

Pregunta 8

Pregunta
The formula to calculate the number of moles is Mass (in grams) of element or compound / Mr of element or compound
Respuesta
  • True
  • False

Pregunta 9

Pregunta
Why is it useful if metals are malleable?
Respuesta
  • They can make pretty statues.
  • They can be hammered or rolled into flat sheets.

Pregunta 10

Pregunta
What is an electrolyte?
Respuesta
  • A liquid that can conduct electricity.
  • An anode or cathode (usually graphite bars)
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