Answer:
the only remote information i could find about this element was sodium
dicyanidoaurate(I)
sodium dicyanoaurate(1-)
Na[Au(CN)2]
sodium dicyanidoaurate(1-)
but as you see these go towards Na[Au(CN)2] not Na[Au(CN)4], so I will leave the rest up to you.
Have a good day.
Explanation:
https://pubchem.ncbi.nlm.nih.gov/compound/5460536
that is the website i found that off of
https://www.webqc.org/molecular-weight-of-Na%5BAu%28CN%294%5D.html
this one tells you the element names.
Answer:
42
Explanation:
Relative mass = number of protons + number of neutrons
Relative mass = 20 + 22
Relative mass = 42
Answer:
The water cycle can be described as the cycle of different processes by which the water circulates between the ocean, atmosphere, and the land. It includes, precipitation (rain and snow), drainage, transpiration, and evaporation. The animals also play a crucial role in these cycle of processes. They release the water vapors into the atmosphere when they exhale, hence, letting the water molecules to again enter the cycle.Hence, the correct answer is
---- They release water vapor when they exhale'.
A-
From coefficients in the equation, for each mole of propane combusted, three moles of carbon dioxide molecules are produced. Thus
The question implied that the temperature and pressure on both carbon dioxide and propane are those under room conditions- so these values are supposed to be interchangeable; thus by the ideal gas equation
Rb
Explanation:
Rb is an element in Period 5 that is the most active metal from the given choices.
The first group on the periodic table are made of highly reactive metals due to their large electropositivity.
Electropositivity or metallicity is a measure of the tendency of atoms of an element to lose electrons.
As we go from left to right on the periodic table, electropositivity decreases.
Therefore, in period 5, we have elements: Rb Sr, Rb is more reactive and most active of the two.
learn more:
Reactivity brainly.com/question/6496202
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