Chemistry, 30.12.2019 22:31 Jamilia561
Which one of the following is not one of the postulates of dalton's atomic theory?
a. all atoms of a given element are identical; the atoms of different elements are different and have different properties.
b. compounds are formed when atoms of more than one element combine; a given compound always has the same relative number and kind of atoms.
c. atoms of an element are not changed into different types of atoms by chemical reactions: atoms are neither created nor destroyed in chemical reactions.
d. atoms are composed of protons, neutrons, and electrons.
Answers: 3
Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
Answers: 2
Chemistry, 23.06.2019 00:00
Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?
Answers: 1
Which one of the following is not one of the postulates of dalton's atomic theory?
a....
a....
Biology, 17.09.2019 08:30
Social Studies, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
English, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
English, 17.09.2019 08:30
Mathematics, 17.09.2019 08:30
History, 17.09.2019 08:30
Geography, 17.09.2019 08:30
History, 17.09.2019 08:30