A Potassium Atom Has a Radius of 0

question 19

Multiple Choice

A potassium atom has a radius of 0.000 000 022 7 cm.Express the atomic radius in scientific notation.

• A)2.27 x 10-9 cm
• B)2.27 x 10-8 cm
• C)2.27 x 10-7 cm
• D)2.27 x 107 cm
• E)2.27 x 108 cm

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Definitions:

Neuroglial Cells

Specialized cells in the nervous system that provide support, protection, and nutrition to neurons, ensuring their proper function.

Myelin Sheath

A fatty layer that surrounds the axons of some nerve cells, providing electrical insulation and improving the speed of nerve impulse transmission.

Burst

A sudden break or rupture, typically referring to pipes, balloons, or vessels under pressure.

Electrical Signals

Pulses of electric current or electromagnetic fields that are used for communication between various parts of a system, especially within biological organisms and electronic devices.