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What is the formal charge on B in BF4-?
Earlier Periods
Times or epochs in the past, before the current era or period of time.
Emotional Pain
A psychological state of suffering and distress caused by traumatic or stressful experiences, often manifesting as sadness, anxiety, or guilt.
Primary Function
The most important or basic purpose of an object, system, or organization.
Risk-Taking Behaviors
Actions that involve exposure to danger or potential harm, but are undertaken for potential reward.
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