Everything Science Grade 11

CHAPTER 3. SOLUTIONS AND SOLUBILITY 3.3 3.3 Solubility ESBAC You may have noticed sometimes that, if you tryto dissolve sodium c ...

3.3 CHAPTER 3. SOLUTIONS AND SOLUBILITY Results: Record your results inthe table below: Temp (◦C) Amount of solute thatdissolves ...

CHAPTER 3. SOLUTIONS AND SOLUBILITY 3.3 (a) Calculate the solubility of potassium chloride, using the data recorded by: i. Siphi ...

3.3 CHAPTER 3. SOLUTIONS AND SOLUBILITY Factors that affect solubility are the quantity of solute and solvent, temperature, the ...

Atomic Nuclei 4 Nuclear physics is the branch of physicswhich deals with the nucleus of the atom. Within this field, some scient ...

4.3 CHAPTER 4. ATOMICNUCLEI few people to receive two Nobel Prizes. 4.3 Radioactivity and Types of Radiation ESBAF In Section 4. ...

CHAPTER 4. ATOMICNUCLEI 4.3 Alpha decay occurs in nuclei that contain too many protons, which results in strong repulsion forces ...

4.3 CHAPTER 4. ATOMICNUCLEI neutrino ( ̄ν) electron (β particle) Hydrogen-3 Helium-3 = one proton = one neutron Atomic nucleus O ...

CHAPTER 4. ATOMICNUCLEI 4.3 See video: VPhyr at http://www.everythingscience.co.za Example 1: Radioactive decay QUESTION The iso ...

4.4 CHAPTER 4. ATOMICNUCLEI Activity: Radiation In groups of 3-4, discussthe following questions: Which of the three types of r ...

CHAPTER 4. ATOMICNUCLEI 4.5 The Earth, and all livingthings on it, are constantly bombarded by radiation from space. Charged par ...

4.5 CHAPTER 4. ATOMICNUCLEI Radioisotope Chemical symbol Half-life Polonium-212 Po-212 0.16 seconds Sodium-24 Na-24 15 hours Str ...

CHAPTER 4. ATOMICNUCLEI 4.5 Example 2: Half-life 1 QUESTION A 100 g sample of Cs− 137 is allowed to decay. Calculate the mass of ...

4.6 CHAPTER 4. ATOMICNUCLEI ( 1 2 )x= 1 8 Therefore, x = 3 Step 3 : Use the half-life of Po− 212 to calculate how long the sampl ...

CHAPTER 4. ATOMICNUCLEI 4.7 Cancer Small amounts of radiation can cause cancers such as leukemia (cancer of the blood) 4.7 The ...

4.8 CHAPTER 4. ATOMICNUCLEI thyroid gland kidneys brain In each case, try to findout: which radioisotope is used what the sou ...

CHAPTER 4. ATOMICNUCLEI 4.8 DEFINITION: Nuclear fission The splitting of an atomic nucleus into smaller nuclei Below is a diagra ...

4.8 CHAPTER 4. ATOMICNUCLEI Japan, Taiwan, and South Korea, could eventually decide to develop weapons of their own. They also f ...

CHAPTER 4. ATOMICNUCLEI 4.9 Nuclear power - An energy alternative or environmental hazard? Your teacher will dividethe class int ...

4.10 CHAPTER 4. ATOMICNUCLEI expanded into the universe we live in today. This happened between 10and 14 billion years ago. Just ...