What is an ionic bond?

A. A bond that forms when electrons are transferred from one atom to another
B. A bond that forms when the electrons of two different atoms repel each other
C. A bond that forms when two atoms with neutral charges come close to one another
D. A bond that forms when one atoms nucleus comes close to another atoms electrons

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Answer:

None of the above

Explanation:

• This is because all the metal oxides provided are below magnesium in the reactivity series.

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Yes, electron follows the same path when it absorb and loses energy.

Yes, when an electron moves from a higher orbit to a lower orbit it always follow the same path as it moves from a lower orbit to a higher orbit. When electron absorb energy it has the power to move from lower orbit to higher orbit or energy level.

While on the other hand, when an electron loses that energy, it comes back to its original position from which it moves earlier when it absorb energy so we conclude that electron follows the same path when it absorb and loses energy.

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Answer:

Equation

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Answer:

equation

Explanation:

chemical changes can be shown in an equation/reaction because you can see products and reactants.

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Answer:

It should be operant.

Explanation:

The mouse is associating a voluntary behavior in order to recieve the outcome, which is the snack.

Answer:

5: tomato and vinegar

6: air

Answer: 49,603.4011

Explanation:

Answer:

49603.4011

Explanation:

89.001

+. 0.0001

348.4

49166

answer: 49603.4011

The final pressure in the container if the temperature remains constant is 68.3 kPa.

Given the following data;

To find the final pressure in the container if the temperature remains constant, we would use Boyle's Law:

Mathematically, Boyle's law is given by the formula;

[tex]P_1V_1 = P_2V_2[/tex]

Where;

Substituting the values into the formula, we have;

[tex]205[/tex] × [tex]4 =[/tex] [tex]12P_2[/tex]

[tex]820 = 12P_2\\\\P_2 = \frac{820}{12}[/tex]

Final pressure, P2 = 68.3 kPa

Therefore, the final pressure in the container if the temperature remains constant is 68.3 kPa.

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Answer:

did this help ?

Explanation:

He muddled his way through the opening verse and belted out the chorus, creating a schizophrenic performance.: The results included muddled avant-garde theatrical staging techniques and insensitive and maladroit portraits of African Americans .  

Answer:

A compound is a substance that contains atoms of two or more different elements.

Explanation:

Please mark my answer no. 1

Answer:

C. The number of atoms of each element is the same on each side of the equation.

Explanation:

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Answer:

hh

Explanation:

If an element has three valence electrons, it is most likely a metal.

In the periodic table, metals are found towards the left hand side of the table. Metals have fewer valence electrons than nonmetals. In the periodic table, there are more metallic than nonmetallic elements.

Metals of group 13 typically have three valence electrons. Hence, if an element has three valence electrons, it is most likely a metal of group 13.

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Answer:

Ionic compounds conduct electricity when molten or in aqueous solution, because their ions are free to move from place to place. Ionic compounds cannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.

Explanation:

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Answer:

Firstly, We have to convert it in the Miles formula...

No. of moles = Mass given/Molar Mass

So, the final answer be come

Answer:

Reflex.

Explanation:

Because it can occur very rapidly and without conscious control.

Answer:

195.199 grams

Answer:

atomic number.

Explanation:

Answer:

Atomic number

Explanation:

The modern periodic table lists the elements in order of increasing atomic number (the number of protons in the nucleus of an atom).

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There are 500 mg of calcium carbonate is in this caltrate tablet

The equation of the reaction is;

2HCl(aq) + CaCO3(aq) ------> CaCl2(aq) + CO2(g) + H2O(l)

Next, we have to obtain the amount HCl reacted as follows;

Number of moles = concentration × volume

Volume = 34.46 mL or 0.03446 L

Concentration =  0.291 M

Number of moles = 0.291 M ×  0.03446 L

Number of moles = 0.01 moles

Since the reaction of HCl and CaCO3 are in the ratio of 2:1

2 moles of HCl reacts with 1 mole of CaCO3

0.01 moles of HCl reacts with  0.01 moles ×  1 mole/2 moles

= 0.005 moles of CaCO3

Mass of CaCO3 = number of moles  × molar mass

Mass of CaCO3 =  0.005 moles of CaCO3 × 100 g/mol

Mass of CaCO3 =  0.5 g or 500 mg

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Explanation:

Its B) 0.105 enjoy youre day

Answer:

After the 4s sublevel is filled with two electrons, ten electrons fill the 3d sublevel, which is slightly higher in energy than the 4s sublevel. After the 3d sublevel is filled, the remaining three electrons will be in orbitals in the 4p sublevel. Thus, the electron configuration for arsenic is [Ar] 4s(2 squared) 3d(10 squared) 4p(3 squared).

The given electronic configuration 1s²2s²2p⁶3s²3p⁶4s²3d⁸ is the Nickel (Ni). Therefore, option (B) is correct.

The electron configuration can be explained as electrons being filled in different energy levels of an atom of a particular element. In the electron configuration, the number of electrons is usually written as a superscript of atomic subshells. For example, the electron configuration of Oxygen is written as 1s²2s²2p⁴.

The sequence of fully filled subshells that correspond to the electronic configuration of a noble gas is denoted by square brackets. The principal quantum number (n) can be used to evaluate the maximum number of electrons in an electron shell.

The value of 2n² is given the maximum number of electrons. The atomic orbitals at low energy must be filled first occupying an orbital with a higher energy level.

The total number of electrons filled in the given electronic configuration  1s²2s²2p⁶3s²3p⁶4s²3d⁸  is 28. The atomic number of Nickel is 28 therefore it is the configuration of Nickel.

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Answer:

2.567 litres

Explanation:

I dont have a proper explanation sorry

Answer:

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

[tex]n = \frac{N}{L} \\[/tex]

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

[tex]n = \frac{3.5 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{3.5}{6.02} \\ = 0.581395[/tex]

We have the final answer as

Hope this helps you

Answer:

Because the total energy of the enzyme has been used up and actions already complete

Explanation:

Catalyst are substance known to speed up rate of chemical reaction just like taking a short pathway. When velocity of catalyzed reaction reach maximum, at that moment reaction has reach it full potential (there is an equilibrium in reaction). there won't be any changes on further addition, and mostly indicate that Reaction is Complete

What will happen in a case there  is different number of electrons compare to  protons is D: The particle is considered an ion.

Therefore, an ion can be charged positively and it can be charged negatively

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Answer:

Explanation:

When a solute is added to a solvent, the vapor pressure of the solvent (above the resulting solution) is less than the vapor pressure above the pure solvent. The boiling point of a solution, then, will be greater than the boiling point of the pure solvent because the solution (which has a lower vapor pressure) will need to be heated to a higher temperature in order for the vapor pressure to become equal to the external pressure (i.e., the boiling point).

The boiling point of the solvent above a solution changes as the concentration of the solute in the solution changes (but it does not depend on the identity of either the solvent or the solute(s) particles (kind, size or charge) in the solution).

I cant give you the answer but I hope this helps.

Answer:

3 mass instincts. If you look at the scale you can they evenly sometimes line up with a line. Whenever a huge instinct occurred the lines were really high, but whenever they were little instincts on the scale the lines would go down

Explanation:

Answer:

Please click above answer.