All categories

3 years ago

The part of the atom that carries a positive charge is the _, and the part that carries a neutral charge is the _.

Chemistry

2 answers:

daser333 [38]3 years ago

6 0

Proton; neutron
Protons have a positive charge
Neutrons are neutral
Electrons have a negative charge :)

Gelneren [198K]3 years ago

3 0

Answer : Option D) Proton and Neutron.

Explanation : The part of the atom that carries a positive charge is the proton, and the part that carries a neutral charge is the neutron.

A proton is a small subatomic particle, denoted by symbol $p or p^{⁺}$ , with a positive electric charge of +1 e elementary charge and a mass which is slightly less than that of a neutron. It is located at the center o atomic nucleus along with neutron. The number of protons are equal to the number of electrons of that atom but are in opposite charges.

A neutron is a subatomic particle of an atom which is of the same mass as that of proton but without an electric charge, it is present in all atomic nuclei except those of ordinary hydrogen. It is also located at the center of an atomic nucleus.

You might be interested in

The NH₄⁺ ion forms acidic solutions, and the CH₃COO⁻ ion forms basic solutions. However, a solution of ammonium acetate is almos

tigry1 [53]

Not always ammonium salts of weak acids form neutral solutions.

When formic acid reacts with ammonia, ammonium formate is produced:

HCO2H + NH3 ----> NH4HCO2

You already know that the weak conjugate bases of NH3 and HCO2H are NH4+ and HCO2, respectively.

How can the pH of the solution be calculated if the salt's anion causes the pH to rise and the salt's cation causes it to fall? The relative intensities of the basic anion and the acidic cation hold the key to the solution.

As was already established, formate is a weak base and will create hydroxide ions in water, whereas ammonium is a weak acid and will make hydronium ions in water.

NH4⁺ + H2O -----> NH3 + H3O⁺

HCO2⁻ + H2O -----> HCO2H + OH⁻

Since the acid ionization of NH4+ is more favored than the base ionization of HCO2-, the solution will be acidic.

To learn more about ammonium salts:

brainly.com/question/10874844

#SPJ4

6 0

2 years ago

When aqueous solutions of sodium acetate and hydrobromic acid are mixed, an aqueous solution of sodium bromide and acetic acid r

timofeeve [1]

CH3COONa+HBr ----> NaBr + CH3COOH
CH3COO⁻ +H⁺ ------> CH3COOH , because CH3COOH is a weak acid

3 0

4 years ago

Read 2 more answers

Calculate the mass, in grams, of Al(OH)3 required for this reaction:

AVprozaik [17]

Answer:

Mass = 28.08

Explanation:

Given data:

Mass of Al₂O₃ = 21.8 g

Mass of water = 9.7 g

Mass of Al(OH)₃ = ?

Solution:

Chemical equation:

2Al(OH)₃ → Al₂O₃ + 3H₂O

Number of moles of water:

Number of moles = mass/molar mass

Number of moles = 9.7 g/ 18 g/mol

Number of moles = 0.54 mol

Number of moles of Al₂O₃:

Number of moles = mass/molar mass

Number of moles = 21.8 g/ 101.96 g/mol

Number of moles = 0.21 mol

Now we will compare the moles of Al(OH)₃ with Al₂O₃ and H₂O.

Al₂O₃ : Al(OH)₃

1 : 2

0.21 : 2×0.21 = 0.42 mol

H₂O : Al(OH)₃

3 ; 2

0.54 : 2/3×0.54 = 0.36 mol

Mass of Al(OH)₃:

Mass = number of moles × molar mass

Mass = 0.36 mol × 78 g/mol

Mass = 28.08 g

3 0

3 years ago

calculate the molarity of MgCl2 in the following solution: 5.34 g of MgCl2 is dissolved and diluted to 214 mL of solution.

anyanavicka [17]

$\quad\hookrightarrow\quad \sf {0.262M }$

<h3>Ⲋⲟⳑⳙⲧⳕⲟⲛ :</h3>

Molarity is used to measure the concentration of a solution , so it is also as molar concentration. It is denoted as M or Mol/L

We are given that :

Weight of $\sf MgCl_{2}$ = 5.34g
Volume of solution = 214 ml , or 0.214 L

The molar mass of magnesium chloride ( $\sf MgCl_{2}$ ) is 95.21 g / mol

We can calculate the molarity of the solution by dividing the number of moles of solute by volume of solvent in liter ,i.e:

$\quad\longrightarrow\quad \sf {M = \dfrac{n}{V} }$ ‎ㅤ‎ㅤ‎ㅤ⸻( 1 )

Where,

M = molarity
n = number of moles
V = Volume

We can calculate the number of moles by dividing the actual mass by its molar mass ,i.e:

$\quad\longrightarrow\quad \sf { n = \dfrac{w}{m}}$ ‎ㅤ‎ㅤ‎ㅤ‎⸻ ( 2 )

Where,

n = number of moles
m = molar mass
w = actual mass

Therefore,

$\implies\quad \tt {n =\dfrac{w}{m} }$

$\implies\quad \tt { n =\dfrac{5.35\: g}{95.21\: g /mol}}$

$\implies\quad{\pmb{ \tt {n = 0.056 mol}} }$

Putting the values in equation ( 1 ):

$\implies\quad \tt {M=\dfrac{n}{V} }$

$\implies\quad \tt { M =\dfrac{0.056\:mol}{0.214\:L}}$

$\implies\quad\underline{\pmb{ \tt { M = 0.262 \:M }}}$

7 0

2 years ago

In a cell, what is the function of the Cell Membrane?

joja [24]

The answer is C :

It controls the entry and exit of substances.

8 0

4 years ago

The part of the atom that carries a positive charge is the _____, and the part that carries a neutral charge is the _____.

The part of the atom that carries a positive charge is the _, and the part that carries a neutral charge is the _.