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what are the 2 doubly

what are the 2 doubly landlocked countries
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2. asked by sunky
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For a doubly ionized lithium ion Li^2+, calculate the wavelengths of the first three lines in the Balmer series.
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2. asked by Sasha
3. 292 views
If a doubly-ionized oxygen atom (O–2) is accelerated from rest by going through a potential difference of 20 V, what will be
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2. asked by Alinkashia
3. 1,058 views
Read the excerpt from "A Genetics of Justice” by Julia Alvarez.Perhaps because she had innocently revered him, my mother was
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2. 166 views
Calculate the ratio of Rydberg value for doubly ionized lithium, a one electron atom with a nucleus of charge3e, to that of
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2. asked by help pls
3. 628 views
Calculate the ionization energy of doubly ionized Lithium, which has Z=3. Construct also the energy level diagram for it.
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2. asked by qwer
3. 698 views
A doubly charged helium atom (mass = 6.68 x 10-27 kg) is accelerated through a potential difference of 3.00x 103 V. What will be
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2. asked by Brynlie
3. 739 views
Identify the ions that correspond to the following electron configurations: (enter your answer with the symbol, numerical charge
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2. asked by Eyeball
3. 582 views
In testing blood,three types of antigens are looked for:A,B and Rh.Every person is classified doubly. He is Rh positive if he
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2. asked by Jamien
3. 574 views
Current passing through a conductor is increased from 10 A to 15 A. This decreases the strength of the magnetic field produced
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2. asked by sally
3. 915 views