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Juliette [100K]
3 years ago
7

When one of the atoms involved in a covalent bond has a much higher electronegativity than the other atom, what type of bond res

ults?
Chemistry
1 answer:
ICE Princess25 [194]3 years ago
5 0
If electronegativity difference between atoms is much higher then they form ionic bond.

Hope this helps!
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How many moles is in 2.52*10^24 molecules of water?
nataly862011 [7]
Hi friend
--------------
Your answer
-------------------

Water = H2O

Number of molecules in one mole of water = 6.022 × 10²³ [Avogadro's constant]

Given number of molecules = 2.52 × 10²³

So,
------

Number of moles =
\frac{2.52 \times 10 {}^{24} }{6.022 \times 10 {}^{23} }  \\  \\  = 4.184 \: (approximately)

HOPE IT HELPS
3 0
3 years ago
summarize rutherford's model of an atom, and explain how he developed thus model based on the results of his famous gold-foil ex
Ainat [17]
Rutherford's atomic structure model was revolutionary. Contrary to J.J. Thompson's "plum pudding" model (which consisted of a solid, even mixture of protons and electrons), Rutherford's model consisted of one small, positively charged, dense nucleus, a layer of empty space, and a layer of negatively charged electrons. He came to this conclusion through his gold-foil experiment. He shot a ray of alpha particles towards the thin gold foil, and to Rutherford's surprise, some of the rays reflected back instead of going straight through the foil as he originally thought. 
3 0
3 years ago
0.200 grams of HCl is dissolved in 0.801 grams water. The density of the solution formed is 1.10 g/mL. What is the molarity of t
alina1380 [7]

Answer:

M=6.03M

Explanation:

Hello,

In this case, since the molarity is computed by:

M=\frac{n_{solute}}{V_{solution}}

Whereas the solute is the hydrochloric acid, we compute the corresponding moles with its molar mass (36.45 g/mol):

n_{solute}=0.200gHCl*\frac{1molHCl}{36.45gHCl} =0.00549molHCl

Next, since the solution contains both HCl and water, we compute the volume in liters by using its density:

V_{solution}=(0.200+0.801)g*\frac{1mL}{1.10g} *\frac{1L}{1000mL} =9.1x10^{-4}L

Therefore, the molarity turns out:

M=\frac{0.00549mol}{9.1x10^{-4}L}\\ \\M=6.03M

Regards.

6 0
3 years ago
Which is NOT a property of metals? Group of answer choices luster brittleness conductivity ductility
ki77a [65]

Answer:

wait i am kinda counfuesd

Explanation:

5 0
3 years ago
Read 2 more answers
When a mineral's surface reflects light in a manner similar to a smooth metal, the mineral is said to have a(n) ______________ l
Talja [164]

Answer:

When the surface of a mineral reflects light in manner that is similar to a metal, the mineral is said to have a <u>metallic luster.</u>

Explanation:

A mineral is a pure, naturally occurring, solid chemical substance. They have a crystalline structure and a definite chemical composition.

Another physical property that can be used to define a mineral is luster. It can be of two types: metallic luster and non-metallic luster.

A mineral is said to have a metallic luster, if it has high reflectivity like a metal. Examples : pyrite, galena.

5 0
3 years ago
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