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Nuclear Chemistry - Chemistry Questions asked by Filo students

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COMPETENT ACCOMPLISHED Is your element stable? Explain using your Draw a Bohr model of your electrons.

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ction calculator allowed | Drew Roberson Nuclear Change 1:Question 1 Which one of the following statements about nuclear reactions is false? Select one: Particles within the nucleus are involved. They are often accompanied by the release of enormous amounts of energy. No new elements can be produced. Rate of reaction is independent of the presence of a catalyst. Rate of reaction is independent of temperature.

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Nuclear Change 1:Question 2 Which of the following correctly balances this decay reaction

?_{90}^{200} Th \to_{- 1}^{0} e +

$^{230} Th$
$_{200}^{20} Ac$

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Four-function calculator allowed | Drew Roberson Nuclear Change 1:Question 4 What nuclide is formed by the

β

^{228} Ra

_{88}^{228} Ra \to⟶ +_{- 1}^{0} e^{-} + \overset{ν}{ˉ}_{e}

_{89}^{228} Ra

_{87}^{228} Ra

_{89}^{228} Ac

_{87}^{228} Ac

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Nuclear Change 1:Question 5 Christopher drew a graph to show changes in the mass of Barium-122 (Ba) during 10 minutes of radioactive decay. Radioactive Decay of Barium-122 Based upon the results, what is the half-life of Barium-122 in minutes? Select one: 1

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unction calculator allowed | Drew Roberson Nuclear Change 1:Question 6 Uranium emits a type of radiation that can be harmful to humans if inhaled or swallowed, but it will not penetrate human skin. Which of the following describes the type of radiation emitted by uranium? Select one: alpha radiation neutron radiation gamma radiation beta radiation

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If it is true that burning can be explained by Evaporation alone:

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Paragraph 1: main idea sentence + background (4-5 sentences) - Main idea sentence should include the classmate's name and how the writer knows the person or, where they met (ESL. 21 class at NOV A). - Background information can include country of origin, family, time in the U.S., Paragraph 2: hobbies (5-7 sentences) - Topic sentence or general statement about hobbies - Include details to support topic sentence

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तत्त्व ।न तत्त्वों को जब प्रकाश द्वारा काश-अवशोषण के कारण ये इल इसी गुण के कारण सीजियम हाश-विद्युत् सेल में इलेक्ट्रोड के रूट रासायनिक गुण कार तथा कम आयनन एन्थैल्पी क्रियाशील होती हैं। इनकी क्रियाश रमशश बढ़ती जाती है। के साथ अभिक्रियाशीलता : क्ष थति में मलिन हो जाती हैं, थति में इनपर ऑक्साइड तथा हाइड़ जाती है। ये ऑक्सीजन में तीव्रता से

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Nuclear Chemistry

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Question 10

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उपयोग मृदु साबुन के निर्माण में और कार्बन डाइऑक्साइड के अवशोषक के रूप में भी होता है। सीजियम का उपयोग प्रकाश नैद्युत् सेल (Photoelectric cells) में होता है।

10.2

क्षार धातुओं के यौगिकों के सामान्य अभिलक्षण क्षार धातुओं के सभी यौगिक साधारणतया आयनिक प्रकृति के होते हैं। इनमें से कुछ यौगिकों के सामान्य अभिलक्षणों की ववेचना यहाँ की जा रही है। 10.2.1 ऑक्साइड एवं हाइड्रॉक्साइड ायु के आधिक्य में दहन करने पर लीथियम मुख्य रूप से ोनोऑक्साइड

Li_{2} O

(एवं कुछ परॉक्साइड

Li_{2} O_{2}

), सोडियम रॉक्साइड

Na_{2} O_{2}

(एवं कुछ सुपर ऑक्साइड

NaO_{2}

भी) नाते हैं, जबकि पोटैशियम, रूबीडियम तथा सीजियम सुपर ॉक्साइड

(MO_{2})

बनाते हैं। अनुकूल परिस्थितियों में

M_{2} O

I_{2} O_{2}

MO_{2}

शुद्ध रूप में बनाए जा सकते हैं। धातु-आयनों आकार बढ़ने के साथ-साथ परॉक्साइडों तथा सुपर ऑक्साइडों स्थायित्व में भी वृद्धि होती है। इसका कारण जालक रुजा-प्रभाव (Lattice Energy Effect) के फलस्वरूप बड़े टृणायनों का बड़े धनायनों द्वारा स्थायित्व प्रदान करना है। ये

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Question 11

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2 Select the correct answer. Which statement is false?

Land is the primary factor of production used in the production of all goods and services.
An entrepreneur combines all the factors of production.
Growth in the economy shifts the PPC left.
An economy is efficient if it maximizes utilization of all the available scarce resources.

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Question 12

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Name: Chemistry Naming lonic Bonds Quiz 1. An ionic bond occurs between one metal, and one

Metal
Non-metal
ion
atom

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Nuclear Chemistry

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Question 13

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Select the product(s) to the reaction presented. Choose only products with yield greater than

50%

. The dehydration of 3,3-dimethyl-2-pentanol. This reaction is catalyzed by

HI

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Question 14

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Question: Do you think it is good to continue using nuclear energy or should it have been stopped? Write your claim, provide at least two pieces of evidence to support your claim and reason. Claim Your answer Sign out

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Question 15

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Thomas Varney - Kami Export - Nuclear Reactions Guided HS-PS1-8: Develop models to illustrate the char Reactions and the energy released during the processes of fission, the composition of the nucleus of the atom ".*" Includes HS-ESS1-1 and HS-ESS1-2 of fission, fusion, and radioactive decay. 1 Fission a. When an atom b. i. Also called

r

or parts. can be spontaneous or can be purposely caused (think and c. happens to ALL , some more rapidly than i. The more an element or is, the longer it takes to It is like the difference between a cheap piece of furniture and a sturdy well-built one. ii. How the element iii. Each is called and any. for that element have different 2 Radioactive Decay a. Elements that undergo contains 2 protons and 2 neutrons. emit an that i. 3 Radioactive Decay - Alpha Practice nucleus.

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Question 16

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The atomic number of nitrogen is 7. How many protons, neutrons, and electrons make up an atom of nitrogen-15?

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Nuclear Chemistry

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Question 17

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How many electrons, protons, and neutrons does nitrogen-14 have? Is it an anion or cation?

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Nuclear Chemistry

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Question 18

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What is the beta decay equations?

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Nuclear Chemistry

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Question 19

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What is the difference between isotope notation and hyphen notation?

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Nuclear Chemistry

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Question 20

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What is the radioactive half-life of carbon 14?

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Nuclear Chemistry

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