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welcome, madam. thank you to you too. thank you so much. kami appreciate. such a lovely lecturer. baik sgt. #roadtofinal pray for us 😊.

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welcome, madam. thank you to you too. thank you so much. kami appreciate. such a lovely lecturer. baik sgt. #roadtofinal pray for us 😊.

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Thank you for your answer and good luck for your final 

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Thank you for your answer and good luck for your final 

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Nur ZatulHusna Binti Zulkifli (2017875838)
Nuramirah Ainaa Binti Jamil (2017411954)

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Nur ZatulHusna binti Zulkifli (2017875838)
Nuramirah Ainaa binti Jamil (2017411954)

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Nur ZatulHusna Binti Zulkifli ( 2017875838 )
Nuramirah Ainaa binti Jamil ( 2017411954 )

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Tutorial chapter 4 ( Radioactive Chemistry)

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Tutorial chapter 4 ( Radioactive Chemistry)

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NUR NAZIHAH BINTI SHAMSURI (201741058)

NUR AMIRA FAQIHAH BINTI MAHMOD (2017412024)

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Tutorial chapter 4 ( Radioactive Chemistry)

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Tutorial chapter 4 ( Radioactive Chemistry)

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NUR NAZIHAH BINTI SHAMSURI (201741058)

NUR AMIRA FAQIHAH BINTI MAHMOD (2017412024)

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Amirul ashraf ali bin tahir mahmod
Miew mohamad fitri bin miew zahari

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NUR AINI FATIHAH BINTI AZANI (2017412086)
NOOR INANI BINTI MAAROF (2017412096

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NUR AINI FATIHAH BINTI AZANI (2017412086)
NOOR INANI BINTI MAAROF (2017412096

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Hanis Shaziera Khaidzir
Nur Fatihah Hanim Mohmad Hashim

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Hanis Shaziera Khaidzir
Nur Fatihah Hanim Mohmad Hashim

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Hanis Shaziera Khaidzir
Nur Fatihah Hanim Mohmad Hashim

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Syarifah Husna
Nur Zaharatul' Ain

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Syarifah Husna
Nur Zaharatul' Ain

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Syarifah Husna
Nur Zaharatul' Ain

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Amirul ashraf ali bin tahir mahmod
Miew mohamad fitri bin miew zahari

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Amirul ashraf ali bin tahir mahmod
Miew mohamad fitri bin miew zahari

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Amirul ashraf ali bin tahir mahmod
Miew mohamad fitri bin miew zahari

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NUR ALIA ATIQAH BINTI ALIAS (2017411998) JAMILIN RASHIDA BINTI ADNAN (2017855004)

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NUR ALIA ATIQAH BINTI ALIAS (2017411998) JAMILIN RASHIDA BINTI ADNAN (2017855004)

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TUTORIAL

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Amirul ashraf ali bin tahir mahmod
Miew mohamad fitri bin miew zahari

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Deana binti Amri
Nuramira binti Rusli

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NUR ALIA ATIQAH BINTI ALIAS (2017411998) JAMILIN RASHIDA BINTI ADNAN (2017855004)

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NUR ALIA ATIQAH BINTI ALIAS (2017411998) JAMILIN RASHIDA BINTI ADNAN (2017855004)

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TUTORIAL

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Nur izzati bt azhari
Siti nor atiqah bt abdul razak

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Mohd Shukor bin Abd Wahab

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Deana binti Amri
Nuramira binti Rusli

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Mohamad Faiz Fauzan bin A.Wahid
Mohd Shukor bin Abd Wahab

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1) nurul aine binti musa (2017875156)
2) Nurhafizatul nadhirah (2017411972)

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NUR ALIA ATIQAH BINTI ALIAS (2017411998) JAMILIN RASHIDA BINTI ADNAN (2017855004)

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NUR ALIA ATIQAH BINTI ALIAS (2017411998) JAMILIN RASHIDA BINTI ADNAN (2017855004)

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AS202EXAMPLE 13

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1) nurul aine binti musa (2017875156)
2) Nurhafizatul nadhirah (2017411972)

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1) nurul aine binti musa (2017875156)
2) Nurhafizatul nadhirah (2017411972)

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Deana binti Amri
Nuramira binti Rusli

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Nur izzati bt azhari
Siti nor atiqah bt abdul razak

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Nur izzati bt azhari
Siti nor atiqah bt abdul razak

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Question 3
1. Ahmad Aruna
2. Amin Khalili

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Question 2
1. Ahmad Aruna
2. Amin Khalili

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Mohd Ghazali B Mujiyo and Muhamad Amirul Afiq B Remli

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Mohd Ghazali B Mujiyo and Muhamad Amirul Afiq B Remli

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1. Muhammad Faiz Idden Shah
2. Muhammad Hafiz Bin Istamam
3. Nur Nabila Binti Azman Shah

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1. Muhammad Faiz Idden Shah
2. Muhammad Hafiz Bin Istamam
3. Nur Nabila Binti Azman Shah

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•The radius (r) of a Uranium-235 nucleus is about 7.0x10-13 cm. The atomic mass of uranium is 235 amu. The nucleus is assumed to be spherical.

•i) calculate mass (m) of the nucleus (in unit g)

•Ii) calculate (V) of the nucleus (in unit cm3) [Hint: V= (4πr3)/3]

•Iii) calculate the density (ρ) of the nucleus (in unit g cm-3)

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1. Muhammad Faiz Idden Shah
2. Muhammad Hafiz Bin Istamam
3. Nur Nabila Binti Azman Shah

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1. Ahmad Aruna
2. Amin Khalili

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Mohd Ghazli B Mujiyo and Muhamad Amirul Afiq B Remli

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Mohd Ghazli B Mujiyo and Muhamad Amirul Afiq B Remli

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•The charred bones of a sloth in a cave in Chile represent the earliest evidence of human presence in southern tip of South America. A sample of the bone has a specified activity of 5.22 disintegrations per minute per gram of carbon. If the ratio of 12C:14C in living organisms results in a specific activity of 15.3 disintegrations per minute per gram of carbon, how old (in unit of year) are the bones? Half life of 14C is 5730 years.

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•The radioactive potassium-40 isotope decays to argon-40 with half life 1.2x109 years

i) Write a balanced nuclear equation for this reaction

ii) A sample of moon rock is found to contain 18% potassium-40 and 82% argon-40 by mass. Calculate the age in unit year of the rock.