Which is a correct comparison between the modern quantum model and John Dalton’s model of the atom?
2 answers:
Answer:
The modern model recognizes particles in the atom, whereas Dalton’s model does not.
Explanation:
The modern model considers the atom to consist of electrons, protons, and neutrons.
A is wrong . The modern model of the atom is widely accepted.
B is wrong . Dalton assumed that all atoms are identical. The modern model recognizes that there are isotopes of atoms.
D is wrong . The modern model explains emission spectra. Dalton's model does not.
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Answer:
126.8, Iodine
Explanation:
mass ×abundance/100 (126.9045×80.45/100)+(126.0015×17.23/100)+(128.2230×2.23/100) 102.1+21.7+3=126.8 <em>IODINE</em> <em> </em> <em>has</em><em> </em><em>an</em><em> </em><em>atomic</em><em> </em><em>mass</em><em> </em><em>of</em><em> </em>1 2 6 . 8 or 1 2 6 . 9
Answer:
all good. tell me about your day
Answer:
propane -1 2 3 - trioic acid
Answer:
1. Negative
2. positive alpha
3. Gold
4. deflected
5. center
6. positive
7. positive
8. center
Hope this helps :)
The answer is (3). The number of Sr is the same so if the compound has the smallest gram formula mass, it has the highest percent composition by mass of strontium. So the answer is (3).
