Which statement best describes the nucleus of an aluminum atom?
It is made of fiberglassFiberglass is not a big deal In fact they still make fiberglass insulationYou should wear a dust mask and long sleeve shirt, it can irritate your skin and throat It does not have asbestos in it.
Fiberglass is not asbestosThis insulation was fiberglassIt is not as dangerous as asbestos but it can be irritating to the lungs and to the skin For years workersI have not used hearing protectors, eye shields, gloves, masks and the proper clothing for the jobThey survive but that does not mean damage was not done that could have been avoided.
Oakridge National Laboratory created a chart directory the approximate R-importance in line with inch for the more than a few varieties of insulationAging was once factored into the lab’s figuresOnce you examine the present R-importance, you'll inform what you ought to get to deliver the R-importance as much as your vicinityYou would get the additional R-importance in only one layer of R-30 battsThis, nevertheless, might go away the joists uncovered and structural lumber has verified to be a key supply of warmness lossYou get a greater insulation activity through utilising 2 layers of R-15 battsThe first layer is going instantly on most sensible of the present insulation, within the joistsThe moment layer is located horizontally around the joistsThe moment layer encloses the joists, making the insulation extra strongA extra effective system might be to make use of blown-in Fiberglass or celluloseBoth might fill all of the gaps and enclose the joists utterlyBlown-in cellulose offers moderately extra bang for the greenback on the grounds that it seals out drafts as good as insulatesWhenever you utilize blown or unfastened-fill insulation, it's essential to put in attic air flow channels (rafter baffles) to maintain the soffit vents from being unintentionally blockedIt’s additionally a well concept to broaden soffit and roof or ridge venting every time you upload insulation.
Funny?? Shouldn't there be some statements to choose from? Anyway, an aluminum nucleus contains 13 protons and 14 neutronsThat's because there is only ONE stable isotope of aluminum, Al-14Now, if the atom of aluminum happened to be some other isotope, an unstable isotope, then you would need to specifiy the mass number in order to determine the number of neutronsFor most atoms, you CAN NOT determine the number of neutrons from the rounded off atomic mass.
