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Dva školska sata kemije (slobodnih) radikala

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Nov 2017 Croatian

Molčanov, Krešimir; Institut Ruđer Bošković, Bijenička 54, HR-10 000 Zagreb;

doi: 10.15255/kui.2017.029

Dva školska sata kemije (slobodnih) radikala

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Abstract

Radikale, kemijske vrste s nesparenim elektronima, obično se smatra vrlo nestablinima, tako da ih se može pri - praviti samo pod posebnim uvjetima i proučavati samo pomoću posebnih, vrlo skupih, instrumenata. Također ih se smatra štetnima te neprimjerenima za pokuse u školi. Ipak, radikali imaju ključnu ulogu u biološkim susta - vima. Zahvaljujući nesparenim elektronima, obično su živo obojani, tako da se njihovo nastajanje često može opaziti golim okom. Ovdje je opisano nekoliko jednostavnih reakcijâ s biološki najvažnijim radikalom, semikinonom. Lako ih je izvesti u školskom laboratoriju uporabom male količine jeftinih i bezopasnih tvari. Jednostavnim promatranjem tih reakcijâ dade se naučiti mnogo toga o kemiji (slob odnih) radikala

Country

Croatia

Subjects by Vocabulary

Library of Congress Subject Headings: lcsh:Chemistry lcsh:QD1-999

Microsoft Academic Graph classification: Radical Organic chemistry Chemistry education Chemistry (relationship) Chemistry

Keywords

Nastava kemije, školski eksperiment, semikinoni, nastava kemije, školski eksperiment, semikinoni, General Chemical Engineering, General Chemistry

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	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	0
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	0
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average