<span>A. Commercial cooking
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When two element combine to form more than one compound i hope this helps you with work have a nice day :)
Answer:
60.55%
Explanation:
nO3=155/48
nO2 used: 3/2nO3=4.84375
percent yield: 4.84375/8=60.55%
Answer:
[Ar] 4s²
Explanation:
Ca is the symbol for Calcium. It is the 20th element and it has 20 electrons.
The full electronic configuration for calcium is given as;
1s²2s²2p⁶3s²3p⁶4s²
The condensed electronic configuration is given as;
[Ar] 4s²
Answer:
7 is the mass number of li and 3 is the atomic number
a 3
b 7
c 3
d 4
