Chemistry General Quiz - 2

Descrição

GCSE Chemistry Quiz sobre Chemistry General Quiz - 2, criado por lauren_johncock em 29-12-2013.
lauren_johncock
Quiz por lauren_johncock, atualizado more than 1 year ago
lauren_johncock
Criado por lauren_johncock mais de 10 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

Questão
What can change the particles?
Responda
  • Physical changes.
  • Arrangement or energy.

Questão 3

Questão
The mass number is the total of protons and neutrons.
Responda
  • True
  • False

Questão 4

Questão
The atomic number tells you the number of electrons there are.
Responda
  • True
  • False

Questão 5

Questão
What is the relative mass of an electron?
Responda
  • 1
  • 1/2000

Questão 6

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

Questão 7

Questão
A covalent bond is a shared pair of electrons.
Responda
  • True
  • False

Questão 8

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

Questão 9

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

Questão 10

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

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