D. quantitative data can be recorded.
C, to make sure the design works as expected.
A prototype is first, typical model of the said product. Hope this helps!
276 grams of carbon in 23.0 moles
Answer: Summary of Common Properties
- High ionization energies.
- High electronegativities.
- Poor thermal conductors.
- Poor electrical conductors.
- Brittle solids—not malleable or ductile.
- Little or no metallic luster.
- Gain electrons easily.
- Dull, not metallic-shiny, although they may be colorful.
Explanation:
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