CHEMISTRY HIGH SCHOOL

The process of ionic bonding is not the same as the process of metallic bonding. Which of the following statements is trueabout these processes?

1. In ionic bonding, only ions of the same element combine to form a compound.
2. In metallic bonding, valence electrons can move freely between atoms.
3. Substances formed through ionic bonding are not considered compounds.
4. In metallic bonding, electrons are transferred between elements in fixed ratios.

Answers

Answer 1
Answer:

Answer: In metallic bonding, valence electrons can move freely between atoms

Explanation:

when metals bond to one another, their outermost energy levels overlap. this allows valence electrons to move freely between atoms in what is sometimes called a “sea of electrons

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When converting an acid salt dissolved in water to its acid form, you are instructed to adjust the pH well into the acidic range (pH = ~2). Why don’t you just take the pH to neutral? You do the same for adjusting the pH of a solution containing an amine salt taking it well into the basic range rather than neutral. Why are you instructed to do this?
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Which risk is associated with using nuclear fission to produce energy in a power plant?(1) depletion of hydrocarbons
(2) depletion of atmospheric oxygen
(3) exposure of workers to radiation
(4) exposure of workers to sulfur dioxide

Answers

Answer:

The correct answer is option 3, that is, exposure of workers to radiation.

Explanation:

The process of nuclear fission takes place when uranium nuclei get bombarded with neutrons. This association dissociates the uranium nuclei apart, discharging radiation, heat, and more neutrons. The neutrons, which gets discharged results in a chain reaction as more uranium nuclei get bombarded, generating huge amounts of energy.  

The massive concern related to a nuclear power accident is the negative influences of radiation on the human body. If an individual gets exposed to an acute dose of greater levels of radiation, the outcome would be radiation sickness. Radiation sickness is illustrated as illness resulting due to exposure to a large dose of radiation over a brief time duration. The signs may comprise nausea, skin burns, diarrhea, vomiting, general weakness, hair loss, and possibly death.  
The risk that is associated with nuclear fission to produce energy in a power plant is 3) Exposure of workers to radiation. 

The chemical bonding in sodium phosphate, Na3PO4, is classified as:

Answers

Between these, the bond is called an ionic bond. An ionic bond is when the electrons are transferred between the atoms, giving them a charge. 

Final answer:

The type of chemical bonding in sodium phosphate (Na3PO4) is ionic bonding. This is due to the transfer of electrons from sodium atoms to a phosphate group, forming ions which then attract one another to create a balanced, electrically neutral compound.

Explanation:

The chemical bonding in sodium phosphate (Na3PO4) is classified as ionic bonding. Ionic bonding involves the transfer of electrons from one atom to another, resulting in the formation of ions. This occurs between atoms of different electronegativities, typically a metal and a non-metal. Atoms lose or gain electrons to attain a stable, full outer electron shell.

In sodium phosphate, three sodium (Na) atoms each donate an electron to become positively charged ions (cations). The phosphate (PO4) group accepts these electrons to become a negatively charged ion (anion). The electrostatic attraction between the positive sodium ions and the negative phosphate ion forms the ionic bond. These discrete units assemble in a three-dimensional lattice structure in a way that ensures the overall compound is electrically neutral.

Learn more about Ionic Bonding here:

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HELP ME with THIS I am time i have a little bit of time and still have more questions !!! CHEMISTRY!!

Answers

Answer:

1. is B 2. is C or B

Explanation:

Given the formula representing a compound: what is a chemical name of this compound? 2-pentene 2-pentyne 3-pentene 3-pentyne

Answers

The question is incomplete. Complete question is attached below.
..........................................................................................................................

Correct Answer: Option 1) 2-pentene

Reason:
Following are the IUPAC rules for naming the compound
1) Select the longest carbon chain. In present case longest carbon chain has 5 carbon atom. Hence, it is a pentane derivative.
2) In case of alkene, replace 'e' of alkane by 'ene'
3) Give lowest number to function group. In present case, it is double bond.

Applying above rules, the IUPAC name of compound is 2-pentene

Which nuclear decay emission has the weakest penetrating power?1. alpha particle
2. bera particle
3.gamma radiation
4. positron

Answers

Alpha particle is the nuclear decay emission that has the weakest penetrating power. The correct option among all the options that are given in the question is the first option or option "1". Gamma is a type of radiation and so can be negated as a particle. Alpha particles have the largest radiation and so the weakest penetrating power.

Consider the reaction below. 2Al2O3 mc031-1.jpg 4Al + 3O2 How many moles of oxygen are produced when 26.5 mol of aluminum oxide are decomposed?

Answers

2Al₂O₃ ----> 4Al + 3O₂
2 moles               3 moles

2 moles of Al₂O₃ ---------- 3 moles of O₂
26,5 moles of Al₂O₃ ------ X
X = (26,5×3)/2
X = 39,75 moles of O₂

:)

Answer:

the answer is 3;4

Explanation:

i did the Assignment on edge
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