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,

Līderu saraksts

Vizuālais stils

Iespējas

Pārslēgt veidni

Atjaunot automātiski saglabāto: ?