A. The oxygen means it's a respiratory, and the hairs act to ensure no foreign contaminants make you sick.
2 mol Al - 3 mol H₂SO₄
5 mol Al - x mol H₂SO₄
x=5*3/2=7.5
n(H₂SO₄)=7.5 mol
Answer: Transition metal
Explanation: Copper is definitely a transition metal because the Cu2+ ion has an incomplete d level.
Most metallic: Ge
Largest atomic radius: Bi
Highest ionization energy: Cl
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Answer:
answer - c
answer - a
Explanation:
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