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nadya68 [22]
3 years ago
7

Where are the protons and neutrons and electrons located in an atom?

Chemistry
1 answer:
Rus_ich [418]3 years ago
8 0
The protons and neutrons are located in the nucleus of an atom, while the electrons are located in the orbital cloud. <span />
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46. True or false. Chemical reactions do not involve changes in the chemical bonds that join
Naddika [18.5K]

Answer:

Chemical reactions do not involve changes in the chemical bonds that join

atoms in compounds :

<u>False</u>

Explanation:

Chemical reaction are the reaction in which old bonds break and new  bonds are formed . The formation of new bond result in formation of new compounds . This happen because new bond are result of linking different atoms by the bond.

For example : Water formation from Oxygen and Hydrogen is a chemical process :

2H_{2}+O_{2}\rightarrow 2H_{2}O

Original(old) bonds are :

H-H bond in H2 and O-O bonds in O2

In H2 = Hydrogen is joined to Hydrogen

IN O2 = Oxygen is joined to oxygen

New Bonds =

O-H bonds in water (H2O)

Oxygen is joined to hydrogen = New Bond formation

Hence,

<u>Chemical reactions do involve changes in the chemical bonds that join </u>

<u>atoms in compounds</u>

<u />

3 0
4 years ago
CH3CH2OH is an organic compound that is soluble in water. What type of compound is this?
shepuryov [24]

Answer:

Ethanol

Explanation:

CH3CH2OH is Ethanol

8 0
3 years ago
Read 2 more answers
How many independent variables are allowed in an experiment
Dmitriy789 [7]

one independent variable

8 0
3 years ago
Read 2 more answers
The piece of iron that miguel measured had a mass of 51.1 g and a volume of 6.63 cm 3 . what did miguel calculate to be the dens
likoan [24]
Given:
Mass, m = 51.1 g
Volume, V = 6.63 cm³

By definition, 
Density = Mass/Volume
              = (51.1 g)/(6.63 cm³)
              = 7.7074 g/cm³

In SI units,
Density = (7.7074 g/cm³)*(10⁻³ kg/g)*(10² cm/m)³
              = 7707.4 kg/m³

Answer: 7.707 g/cm³ or 7707.4 kg/m³

4 0
3 years ago
Which is the balanced equation for V205 + Cas - CaO + V S.?
barxatty [35]

Answer:c

Explanation:

7 0
4 years ago
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