What element has 81 protons in the nuclei of its atoms?
a. platinum
b. lead
c. ur...
Chemistry, 23.09.2019 20:00 itsmemichellel
What element has 81 protons in the nuclei of its atoms?
a. platinum
b. lead
c. uranium
d. thallium
Answers: 2
Chemistry, 22.06.2019 03:00
Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?
Answers: 1
Chemistry, 22.06.2019 09:00
An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh
Answers: 1
Chemistry, 22.06.2019 09:40
Which diagram shows the correct way to represent an ionic compound of magnesium oxide?
Answers: 3
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