Fossilized plants and animals of the same species found on separate continents.
Geological features, such as mountain ranges, that align on matching coasts of different continents.
Answer:
CH₃CH₂CH₂OH → CH₃CH=CH₂ + H₂O
Explanation:
La ecuación que representa la reacción del alcohol 1-butílico (también llamado como 1-butanol o n-butanol) con H₂SO₄ como catalizador a altas temperaturas es:
CH₃CH₂CH₂OH → CH₃CH=CH₂ + H₂O
Los productos son agua y buteno.
B) argon and krypton
C) fluorine and chlorine
D) oxygen and nitrogen
Answer: B. Ca(OH)2
Explanation:just took the quiz/quick check
Heavy metals are located on the lower part of the periodic table, specifically in the d-block and f-block elements.
In the periodic table, heavy metalsare found in the d-block and f-block, at the bottom. Elements in the d-block, or transition metals, span groups 3 through 12 in the periodic table. Metals like iron, copper, and zinc are included in this category.
The f-block elements, which comprise the lanthanides and actinides, may be found at the very end of the periodic table and are referred to as the inner transition metals. Due to their large atomic weights and high densities, elements like uranium and plutonium are classified as heavy metals.
Learn more about heavy metals, here:
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