A particle that has a negative charge:

Chemistry

1 answer:

avanturin [10]3 years ago

7 0

Answer:

A) electrons

Explanation:

protons are positive , neutrons are neutral , and electrons are negative , and non-polar does not have a charge . so electrons is correct

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How many total moles of ions are released when the following sample dissolves completely in water?

pogonyaev

Answer:

8.55 × 10²⁴ Ions

Explanation:

Ammonium Chloride is an ionic compound which contains a monatomic anion (Cl⁻ ; Chloride) and a polyatomic cation (NH₄⁺ ; Ammonium).

Hence, when added in water Ammonium Chloride ionizes as;

NH₄Cl → NH₄⁺ + Cl⁻

Hence, we can say that it produces two ions when dissolved in water.

Also,

We know that 1 mole of any substance contains exactly 6.022 × 10²³ particles which is also called as Avogadro's Number. So in order to calculate the number of ions contained by 7.1 moles of NH₄Cl, we will use following relation to first calculate the number of molecules as;

Moles = Number of Molecules ÷ 6.022 × 10²³ Molecules.mol⁻¹

Solving for Number of Molecules,

Number of Molecules = Moles × 6.022 × 10²³ Molecules.mol⁻¹

Putting values,

Number of Molecules = 7.1 mol × 6.022 × 10²³

Number of Molecules = 4.27 × 10²⁴ Molecules

So,

As,

1 Molecule of NH₄Cl contained = 2 Ions

So,

4.27 × 10²⁴ Molecules of NH₄Cl will contain = X ions

Solving for X,

X = 2 Ions × 4.27 × 10²⁴ Molecules / 1 Molecule

X = 8.55 × 10²⁴ Ions

8 0

3 years ago

Which describes the products created from fission reactions? Question 3 options:

Ipatiy [6.2K]

Answer: The correct answer is option A.

Explanation:

Nuclear fission reactions are a type of nuclear reactions in which larger nuclei breaks apart into two or more smaller fragment releasing alpha, gamma of beta particles.

There are 3 types of particles that can be released during this process:

1. Alpha particles: These particles are released when a nuclei undergoes alpha-decay process.

$_Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}\textrm{Y}+_2^4\alpha$

2. Beta particles: These particles are released when a nuclei undergoes beta-minus decay process.

$_Z^A\textrm{X}\rightarrow _{Z+1}^{A}\textrm{Y}+_{-1}^0\beta$

3. Gamma radiations: these radiations are released when an unstable nuclei gives off excess energy by a process of spontaneous electromagnetic process.

$_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma$