Question: Which of these pairs of metal has variable valencies?
weight : 2
answer : Iron and copper
Zinc and caesium
Iron and strontium
Barium and scandium
question: J.J. Thomson’s model of the atom fell into disrepute and was replaced by one of the following
weight : 2
option : Dalton’s theory
answer : Rutherford Nuclear model
option : Bohr model
option : Balmer series model
Consults, E. (2022). CHM 101 2015. Afribary. Retrieved from https://afribary.com/works/chm-101-2015
Consults, Education "CHM 101 2015" Afribary. Afribary, 09 Jun. 2022, https://afribary.com/works/chm-101-2015. Accessed 03 May. 2024.
Consults, Education . "CHM 101 2015". Afribary, Afribary, 09 Jun. 2022. Web. 03 May. 2024. < https://afribary.com/works/chm-101-2015 >.
Consults, Education . "CHM 101 2015" Afribary (2022). Accessed May 03, 2024. https://afribary.com/works/chm-101-2015