2 years ago

In what significant way does the modern model of the atom differ from bohr's model

1 answer:

4 0

Bohr model is valid only for hydrogen and hydrogen-like species, but quantum mechanical model can explain all elements....

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Question 2 (1 point)<br>At the center of the atom is the electron.<br>True<br>False

Stells [14]

Answer:

False the electrons are on the outside of the atoms

Explanation:

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3 years ago

What must happen in order for water to change state?

malfutka [58]

Answer:

Explanation:

if it releases energy it becomes a solid(Solid)

if it absorbs energy it becomes a gas(Water Vapor)

4 0

3 years ago

What’s the answer to these 3 questions? thanks!

Citrus2011 [14]

Water has h bonding
H-H
Sodium fluoride
I think

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2 years ago

What did Ernest Rutherford discover? How was his model different from Thomson’s?

s2008m [1.1K]

Answer:

thomson developed the chocolate chip method which was the identification of the electrons in the core of an atom. Rutherford discovered that the core was only positive and that the electrons were floating outside of the core.

Explanation:

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3 years ago

A CaCl2 solution is given to increase blood levels of calcium. If a patient receives 6.1 mL of a 12 % (m/v) CaCl2 solution, how

Yuliya22 [10]

Mass of CaCl₂ = 0.732 g

<h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight / volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

$\tt \%(m/v)\rightarrow 12\%=\dfrac{mass~CaCl_2}{volume~of~solution}\times 100\%\\\\mass~CaCl_2=12\%\times 6.1\div 100\%\\\\mass~CaCl_2=0.732~g$

5 0

3 years ago