Validate how valence electrons determine the chemical reactivity of an element: give 2 examples of elements with high reactivity
and justify your response.
1 answer:
Nitrogen is more reactive than oxygen and oxygen than chlorine
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Hey there!:
Mass = 5.75 g
Volume = 7.5 cm³
Therefore:
Density = mass / volume
D = 5.75 / 7.5
D = 0.7 g/cm³
Answer C
Hope that helps!
B) To remove inorganic material.
That it is below the lithosphere and it is the remainder of the mantle or lower mantle
A...because both of them(carbon and oxygen)are nonmetal
Answered it coz of you
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