Abeka Chemistry Test 11 fully solved exam study guide (100% accurate expert solutions)download to pass (2024)

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SHORT ANSWER I:the process iron undergoes in the reaction Fe³⁺(aq) + 3 e⁻ → Fe(s)reduction*always occurs at the cathodereduction*BrainpowerRead MorePreviousPlayNextRewind 10 secondsMove forward 10 secondsUnmute0:00/0:15Full screeninvolves a gai...

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ABEKA CHEMISTRY TEST 11 FULLY SOLVED EXAM STUDY GUIDE 2024-
2025(100% ACCURATE EXPERT SOLUTIONS)DOWNLOAD TO PASS
SHORT ANSWER I:
the process iron undergoes in the reaction Fe³⁺(aq) + 3 e⁻ → Fe(s) - answer reduction*
always occurs at the cathode - answer reduction*
involves a gain of electrons - answer reduction*
involves a loss of electrons - answer oxidation*
Always occurs at the anode - answer oxidation*
the process zinc undergoes in the reaction Zn(s) → Zn²⁺(aq) + 2 e⁻ - answer oxidation*
MULTIPLE CHOICE I:
To what does the term transuranium elements specifically refer? - answer elements beyond uranium in the periodic table
What is the source of the vast majority of a person's exposure to nuclear radiation? - answer natural sources
What force binds protons and neutrons to each other to form the nucleus of an atom? - answer the strong nuclear force The term nuclear mass defect refers to: - answer The mass of an atom is less than the total mass of its individual subatomic particles.
What is the amount of fissionable material at a given density required to sustain a chain reaction? - answer critical mass
What is the amount of energy necessary to break up a nucleus into its component nucleons? - answer binding energy
The type of radiation list that is ranked by decreasing penetrating ability (most penetrating to least penetrating) is ________. - answer gamma, beta, alpha
In nuclear chemistry, the term activity refers to _______. - answer the amount of rate of decay occurring in a radioactive substance
What is a device that uses magnetic and electric fields to accelerate charged particles to energies of several megaelectron volts? - answer particle accelerator
What type of nuclear reaction is also called a thermonuclear reaction? - answer nuclear fusion
What is a long chain of radioactive isotopes ending with a stable isotope, such as the decay chain that begins with ²³⁵U and ends with ²⁰⁷Pb? - answer radioactive active series
what is a characteristic of all radioactive decay? - answer converting one nuclide into another
Units of radiation exposure: - answer rad, sievert, rem
In nuclear chemistry, this unit can be used to measure the activity of a substance. - answer becquerel
What is a device that converts the potential energy of a spontaneous redox reaction into electric current? - answer voltaic cell

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FAQs

Does nuclear fission power involve significantly greater risk than most other forms of power generation? ›

These are the only major accidents to have occurred in over 18,500 cumulative reactor-years of commercial nuclear power operation in 36 countries. The evidence over six decades shows that nuclear power is a safe means of generating electricity. The risk of accidents in nuclear power plants is low and declining.

Which type of reaction primarily involves the loss of electrons? ›

Oxidation/reduction reactions

Oxidation refers to the loss of electrons by a substance. Oxygen may or may not be involved in the reaction. The substance oxidized is transformed into a second substance with a lower level of potential energy.

What is a list of metals arranged by their relative ease of oxidation called? ›

The list of metals arranged by their relative ease of oxidation is called an activity series. Thus, option A is correct. In this context, when we refer to the ease of oxidation, we mean how easily a metal can lose electrons and form positive ions in a chemical reaction.

How many people have died from nuclear power? ›

The civilian mortality from Chernobyl contamination is 15 thus far, in each case from thyroid cancer. Operator and first-responder mortality from the event is 35. All other known fatalities from nuclear plant operations have occurred among nuclear plant employees and contractors, and total to 50.

Why do people hate nuclear power? ›

Critics of nuclear power claim that it is the beneficiary of inappropriately large economic subsidies, taking the form of research and development, financing support for building new reactors and decommissioning old reactors and waste, and that these subsidies are often overlooked when comparing the economics of ...

What reacts by loss of electrons? ›

Oxidation is the process of losing an electrons, while reduction is the process of gaining them. Any chemical that causes another chemical to lose electrons (become oxidized) is called an oxidizing agent. Conversely, any chemical that causes another chemical to gain electrons is called a reducing agent.

Which reaction involving electron removal are called ___ reactions? ›

An oxidation reaction strips an electron from an atom in a compound, and the addition of this electron to another compound is a reduction reaction.

Which type of chemical reaction results in only the loss of electrons? ›

Oxidation is the loss of electrons by an atom, ion, or molecule. The atom, ion, or molecule that is oxidized will become more positively charged.

What does oxidized metal look like? ›

Rust can be defined as a scale that is formed on the surface of steel when exposed to oxygen in the environment. As a consequence, a brown, reddish or orange color is generated on it, which can vary according to the different productive process and chemical components such as chromium (Cr), copper (Cu), among others.

Is copper easily oxidized? ›

The order of some common metals in the electromotive series, starting with the most easily oxidized, is: lithium, potassium, calcium, sodium, magnesium, aluminum, zinc, chromium, iron, cobalt, nickel, lead, hydrogen, copper, mercury, silver, platinum, gold.

What metal turns red when oxidized? ›

Iron tends to turn orange/brown/red when oxidized. Copper tends to turn blue/green/turquoise when oxidized. Manganese tends to turn purple/black when oxidized. Cobalt turns blue when oxidized.

What is the safest form of power generation? ›

The safest energy sources by far are wind, solar, and nuclear energy at fewer than 0.1 annual deaths per terawatt-hour. Nuclear energy, because of the sheer volume of electricity generated and low amount of associated deaths, is one of the world's safest energy sources, despite common perceptions.

What is the most serious risk of producing nuclear power? ›

If uncontrolled, that chain reaction could produce so much heat that the nuclear reactor core itself could actually melt and release dangerous radiation. That's why power plants use “control rods” that absorb some of the released neutrons, preventing them from causing further fissions.

Why is nuclear fission safer than fusion? ›

Nuclear fission power plants have the disadvantage of generating unstable nuclei; some of these are radioactive for millions of years. Fusion on the other hand does not create any long-lived radioactive nuclear waste. A fusion reactor produces helium, which is an inert gas.

What is the problem with nuclear fission? ›

The possibility of radioactive accidents and the long-term storage of nuclear waste often raise concern from the public. Past accidents from nuclear fission energy include the Three Mile Island accident in 1979, the Fukushima accident in 2011, and, the most damaging, the Chernobyl accident in 1986.

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