( QUESTION) Physical properties are- A. traits you can assess using your 5 senses (see, hear, smell, touch, hear)

B. traits that must be tested in a lab by a scientist

C. difficult to explain

D. essential properties of matter

The correct answer is A. traits you can assess using your 5 senses (see, hear, smell, touch, hear)

Explanation

for example, physical property, dealing with color, solubility, odor, hardness, density, melting point, boiling point, etc..!

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the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.