What's the overall better way to keep the upstairs part of your home cooler during the summer?
Austin, I work with habitat and we do atticsInsulation is the key for keeping the house coolThere are new ways of insulation the attic that are really superior to the old waysYou might want to look into themCheck some of the green proposals that are outIn summation, if you can insulation more than enough, ventilate and maintain everything by visiting the attic at least once a year you'll go a long ways.
Al3+ 1s2 2s2 2p6 V2- 1s2 2s2 2p6 3s2 3p6 4s2 3d5
1 Aluminum in its elemental form would have 13 electrons to match 13 protonsSo that's 1s2 2s2 2p6 3s2 3p1 or [Ne] 3s2 3p1If it's 3+, it loses three electrons, leaving you with 1s2 2s2 2p6 or simply [Ne] 2Vandium is [Ar] 4s2 3d3At 2- it gains two electrons, which will fill the d level half full, which is very stable, yielding [Ar] 4s2 3d5
a plus means there are more protons than electronsAL3+ means there are 3 more protons than electronthere are more protons because an element has to follow the octet rule in order to combineso Al lost 3 electrons in order to have 8 valence electronsthere are the same same number of electrons and protons in an elementso when an element loses electrons, it still has the protonsprotons are a + chargewhen you write the electron configuration for Al 3+ you have to subtract three from its atomic numberAl is 13but now you have to write the electron configuration for 10so that's 1s2 2s2 2p6same thing with V2- but this time there are more electron than protonsbecause it gained 2 electrons in order to form the octet rulebut instead of writing the electron configuration for 23, you have to write it for 25which is 1s2 2s2 2p6 3s2 3p6 3d3 4s2 4p2phewdonehope that helps.
Its just the same as attempting these questions where the speciesarent ions Work out how many electrons will be present so for the aluminimum ionthere is 13 electrons in it normallybut its an ion with the 3+ configuration which means it has lost 3 electrons to be come more stable and achieve the electron configuration of neonand so it has 10 electrons electron configuration of Al3+ is 1s2 2s2 2p6 you can probably do the vanidium one now hopefully
