Answer: Iro2
Explanation:
Iro2 compound name
Iridium(IV) oxide
Names
Chemical formula IrO2
Molar mass 224.22 g/mol
Appearance blue-black solid
Density 11.66 g/cm3
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Answer:
Uranus is much bigger than Earth.
Explanation:
it’s about four times bigger than the watch, Uranus is about 31,000 miles in diameter while the earth is only about 7,900 miles.
Its the other way around actually. Benzoic acid is stronger than acetic acid because the electron-donating inductive effect (+I) by the alkyl group on acetic acid destabilise the conjugate base of acetic acid.
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Answer 1) The group number of the most nonmetallic group that contains metalloids is Group VI A.
Explanation : Astatine (At) is the elemental metalloid which is found in group VI A which is placed in the bottom of most nonmetallic groups containing oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and the radioactive element polonium (Po).
Answer 2) The group number of the most metallic group that contains metalloids is Group III A.
Explanation : Boron (B) is the metalloid which belongs to group III A which is the most metallic groups containing aluminum (Al), gallium (Ga), indium (In) and thallium (Tl). Amongst the placement in the top of metallic group Boron behaves like a metalloid.
Answer:
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