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When an ionic compound is a solid, the ions in the ionic lattice are held together by ionic bonds. Due to this, the ions are not free to move around and so cannot carry a charge. When the ionic compound i...

It is an elastic collision. This is because, when a particle collides with the electron of an atom, a discrete amount of energy is transferred from the particle to the electron. This discrete amount of en...

Smoking, specifically tobacco, is an example of a negative externality in that it harms negatively those outside of the original transaction. For example, a person walking down a high street inhaling seco...

Social class is a way of categorising people according to certain qualities they may have, or conditions in their life. In the United Kingdom this can be things like your parents' jobs, what kind of educa...

It is part of Bowlby's monotropic theory which states that during this first crucial period of 0-2 years, an infant should receive continuous care if strong secure attachments are going to be made. If an ...