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Because metal compounds contain delocalised electrons that are free to move about the ionic lattice that forms the metal, carrying charge.

An increase in temperature increases the activation energy of the atoms or molecules and therefore increases their net movement across a partially permeable membrane, increasing the rate of diffusion. A d...

What is the question asking us? -To find the equation of a straight line, and to do that we need two pieces of information, what are they? 1. the gradient of the line and 2. a point on the line. Now from ...

When using the four operations (addition, subtraction, multiplication and division) on fractions there are specific methods for each. Multiplication and division are very similar. In order to multiply two...

In Spanish, there are 3 main past tenses.
Imperfect: Used when something happened over a long period of time, or when something used to happen habitually, or when someone "was doing" somet...