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baherus [9]
4 years ago
13

Which element has a gas notation of [Kr]5s2 4d7

Chemistry
1 answer:
Olenka [21]4 years ago
7 0
I think it would be Kriptonite
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Homologous chromosomes pair up during what phase of meiosis:
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3 years ago
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3 years ago
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How many grams of water can be produced when 65.5 grams of sodium hydroxide reacts with excess sulfuric acid? Unbalanced equatio
kap26 [50]
The balanced reaction that describes the reaction between sulfuric and sodium hydroxide to produce sodium sulfate and water is expressed <span>H2SO4 + 2NaOH → 2H2O + Na2SO4. When 65.5 grams of sodium hydroxide reacts with excess sulfur, we need first to convert the mass to moles and multiply by stoich ratio 2/2 or 1. Hence the moles is multiplied to the molar mass of water. The final answer is 29.475 grams water.</span>
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4 years ago
The half-life of radioactive element krypton-91 is 10 seconds. if 16 grams of krypton-91 are initially present, how many grams a
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