What Is True About Atomic Weights

question 14

Multiple Choice

What is true about atomic weights?

• A) it is the sum of the number of electrons and protons in an atom.
• B) the higher the atomic weight the more likely an atom will form a chemical bond
• C) it is always a whole number
• D) atoms of a particular element that have different atomic weights are called isotopes

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Definitions:

Cerebral Cortex

The outer layer of nerve tissue of the cerebrum of the brain, playing a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

Perceptual Cue

Environmental signals or objects that are used to guide perception or understanding of a particular situation or setting.

Size Constancy

The tendency to perceive an object as being the same size even as the size of its retinal image changes according to the object’s distance.

Texture Gradient

A monocular cue for depth based on the perception that closer objects appear to have rougher (more detailed) surfaces.