1.5 × 10^-6 i would think
Answer:
B. the passage of genetic instructions from one generation to the next.
Xenon and neon are elements with stable configuration because they are noble gases and have enough to fill their outermost (valence) electron shell. Boron, however, only has 3 electrons in its valence shell, meaning that it is not stable and it needs to gain more electrons to be so. Calcium is an alkali earth metal and has only two electrons in its outermost shell, it will likely lose those two electrons to become stable because it takes less energy than gaining 6. Krypton and argon are other noble gases and have enough electrons to fill their shells. Helium has enough to fill it's outermost shell with 2 due to special properties of that element, it is still a noble gas. Essentially, your answer is D. If you take a look at the periodic table, you'll find your answers out in less time than it took me to type this out. All stable gases, with the exception of hydrogen, are in the last group, usually labeled as "18" but called 8 or 0.
Answer:
approximately 1.772 grams
Explanation:
molecular mass of AlCl3 is 132 g per mole and of Al(OH)3 is 78 g per mole
the reaction is
AlCl3 + 3 NaOH ---> Al(OH)3 + 3 NaCl
from the reaction it is clear that 1 mole AlCl3 makes 1 mole Al(OH)3
implies 132g AlCl3 gives 78g Al(OH)3
Implies 3g AlCl3 gives
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