It's not B so I'm thinking it is D.
In flame tests salts<span> that are </span>dissolved in water<span> are evaporated using a </span>hot flame<span>. In the flame the </span>metal atoms<span> become excited and produce their characteristic spectrum of light. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
Answer:
part of the skeleton that supports the structure of face and forms a cavity from bone.
Hope it help u.
Since you provide no options, Henry Moseley measured a property linked to Periodic Table position. After his revisions to the periodic table, Atomic number became more meaningful and the three pair of elements that seemed to be in the wrong order could be explained
The value that describe temperature and pressure (STP) is 273.15 K and 101.3 KPa (answer D)
<em><u>Explanation</u></em>
International union of pure and applied chemistry ( IUPAC) established standard temperature and pressure (STP) as below,
temperature 0°c which is the same as 273.15 K
Pressure = 1 atm which is the same = 101.325 KPa or 1.01325 bar
