True: This is an example of isotopes, isotope: are atoms with the same number of proton and a different number of neutrons, number of neutrons= 7, False: This is an example of isotopes, isotope: are atoms with a different number of proton and a different number of neutrons, mass number = 17,

Bestenliste

Visueller Stil

Einstellungen

Vorlage ändern

Soll die automatisch gespeicherte Aktivität wiederhergestellt werden?