Answer:
element
Explanation:
elements consist of pure substances
C
Why? As you increased energy levels the distance between two energy levels gets larger. This is often due to shielding
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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Answer: About 0.20 grams of copper (II) is formed, and some aluminum is left in the reaction mixture
