When an Unstable Nucleus Decays by Emitting an Alpha Particle,the

question 52

Multiple Choice

When an unstable nucleus decays by emitting an alpha particle,the atomic mass number A of the nucleus

• A)increases by 4.
• B)increases by 2.
• C)decreases by 2.
• D)decreases by 4.
• E)remains unchanged.

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Definitions:

Hallucinations

Perception-like experiences without an external stimulus, evident in conditions like schizophrenia, characterized by seeing, hearing, or feeling things that aren't present.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that reduces neuronal excitability.

Agonist

A chemical or drug that binds to receptors in the brain and activates them, thereby producing a biological response.

Euphoria

A feeling of great happiness or well-being, which can be induced by various factors including success, love, or certain drugs.