Answer: Silicon the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for Silicon go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons.
Hope this helps! :)
The kind of thermochemical equation represented below
that is
CaO(s) + H2O (l) = Ca(OH)2 (s) +65.2 kj
is exothermic ( answer B)
This is because its heat energy has a + sign meaning that heat is released by the reaction above.
Answer:
Remove the outer layer of sodium oxide that formed to allow for a quicker reaction
Explanation:
The purpose of not using a paper towel to dab off your metal is :
Remove the outer layer of sodium oxide that formed to allow for a quicker reaction.
The process of Dabbing is nothing but applying doses of a cannabis concentrate that gets vaporized on a surface which is heated up.
The daboff the metal by normal paper towel cannot remove the outer oxide layer.
