No slogans in chemistry !
No slogans in chemistry !
vdsdfa
litter
good handwriting is the first impression of the writer
yes youtube and facebook are pretty good!
Actinium has only rare applications: 227Ac in neutron sources, as Ac-Be. 225Ac in radiotherapy of cancers 227Ac as tracer in oceanography But actinium is rare, expensive and radioactive; perhaps I consider that actinium is good for science.
The people who writes catchy slogans for television advertisements are the ad writers of advertising agencies. An advertiser company will approach an ad agency to create an ad for them or sometimes, advertiser company will give ad agency some ideas on what message the ad must relay to the public viewers.
Actinium is a trivalent metal; only in the actinium hydride is divalent.
made to last
wood is good
No slogans in chemistry !
i need it to
vdsdfa
on the move
Tune in to Neptune.
Fnevvy
Actinium may be used in actinium-beryllium neutron sources or in radiotherapy.