A Strontium-90 Atom That Has Lost 2 Electrons Has _______

question 124

Multiple Choice

A strontium-90 atom that has lost 2 electrons has _______ protons, _______neutrons, and _______ electrons.

• A)38; 90; 36
• B)38; 52; 40
• C)38; 52; 36
• D)38; 90; 40
• E)90; 38; 88

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Definitions:

Retinal Detachment

A serious eye condition where the retina at the back of the eye pulls away from its normal position, potentially leading to permanent vision loss if not treated promptly.

Retina

a layer of tissue at the back of the eye that senses light and sends images to the brain, enabling vision.

Organ of Corti

A structure located within the cochlea of the inner ear, containing hair cells that act as sensory receptors for sound.

Cochlea

A spiral-shaped, fluid-filled inner ear structure crucial for converting sound vibrations into neural signals for hearing.