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Hydrogen can form hydride ions. Elements in group typically form ions with the same charge as the hydride ion.
Price Discrimination
The strategy of selling the same product at different prices to different segments of consumers, based on their willingness to pay.
Combination Meal
A set meal at a restaurant that includes multiple items at a fixed total price, often providing a discount compared to purchasing items separately.
Student ID
A unique identifier assigned to students by educational institutions for tracking and administrative purposes.
Reservation Price
The maximum price that a consumer is willing to pay for a product, beyond which they would choose not to purchase it.
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