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givi [52]
3 years ago
6

What contribution did Niels Bohr make to atomic theory

Chemistry
2 answers:
MA_775_DIABLO [31]3 years ago
4 0

Answer:

Bohr's greatest contribution to modern physics was the atomic model. The Bohr model shows the atom as a small, positively charged nucleus surrounded by orbiting electrons.

Explanation:

klasskru [66]3 years ago
4 0

Answer: He proposed a theory for the hydrogen atom based on quantum theory

Explanation:

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the atomic number of an element is the number of ______ plus the number of _____ found in the element's nucleus.
marusya05 [52]

Answer:

protons and electrons

Explanation:

The symbol for an atom can be written to show its mass number at the top, and its atomic number at the bottom. To calculate the numbers of subatomic particles in an atom, use its atomic number and mass number: number of protons = atomic number. number of electrons = atomic number.

7 0
3 years ago
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Gold has a molar mass of 197.0 g/mol. What is the concentration of gold in seawater in moles per liter?(please show work)
natka813 [3]

Answer:

Since you didnt get asked for a spefic weight of gold lets assume it was 5g

Explanation:

5g Au/197 =.02538 mols in 1 liter of sea water is

.02538/1L which gives you a Molarity of .012538 assuming 5g if they ask for a different number just replace 5 with any weight in grams

3 0
3 years ago
Genetic mutations are___ harmful <br><br> A) always <br> B) usually <br> C) sometimes <br> D) never
beks73 [17]
C)

Explanation:

Some genetic mutations, like being able to drink milk are beneficial. While others, like sickle cell anemia. I know you didn’t ask, but it’s just for future reference.
5 0
3 years ago
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What is Co³⁺ and Co¹⁺
WITCHER [35]

Answer:

https://clever.com/

Explanation:

6 0
3 years ago
Please help im lost.
stira [4]
Usually, the more something ionizes, the better it conducts electricity. NH3 is molecular. CH3OH is an alcohol and doesn't ionize well. I'd say MgCl2 was more ionizable than H2O2, just because it's less likely to cause metathesis.
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3 years ago
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