Name: Pure Substances and Mixtures 2.How do we measure … · 2018-09-05 · 1.What is matter?...

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Name: Pure Substances and Mixtures Read pages 152155 of your textbook and answer the following questions in point form. 1. What is matter? 2. How do we measure matter in the classroom? Give two examples 3. How many different elements are there? (see back inside cover of your text or look in your agenda) How many different types of atoms are there? 4. When two atoms are bonded together, what is the new, larger particle called? 5. Are compounds always molecules? Explain with an example. 6. Is it possible to have a molecule of an element? Explain and give an example. 7. How is a pure substance different from a mixture? 8. Define the following terms: a. Homogeneous: b. Heterogeneous: c. Alloy:

Transcript of Name: Pure Substances and Mixtures 2.How do we measure … · 2018-09-05 · 1.What is matter?...

Page 1: Name: Pure Substances and Mixtures 2.How do we measure … · 2018-09-05 · 1.What is matter? 2.How do we measure matter in the classroom? Give two examples 3.How many different

   

Name:  

Pure Substances and Mixtures  

Read pages 152­155 of your textbook and answer the following questions in point form.  

1. What is matter?    

2. How do we measure matter in the classroom? Give two examples    

3. How many different elements are there? (see back inside cover of your text or look in your agenda)  

   

How many different types of atoms are there?     

4. When two atoms are bonded together, what is the new, larger particle called?     

5. Are compounds always molecules? Explain with an example.     

6. Is it possible to have a molecule of an element? Explain and give an example.    

7. How is a pure substance different from a mixture? 8. Define the following terms: 

 a. Homogeneous: 

 b. Heterogeneous: 

 c. Alloy: 

  

Page 2: Name: Pure Substances and Mixtures 2.How do we measure … · 2018-09-05 · 1.What is matter? 2.How do we measure matter in the classroom? Give two examples 3.How many different

  

9. Fill in the charts below:  Formula  Draw the Particle  Molecule or Atom?  Element or Compound? 

CH 4       

NaCl       

Cu       

O2       

H 2 O       

C 6 H 12 O6       

      Substance  Pure Substance or Mixture  Homogeneous or Heterogeneous? 

Milk      

Salt      

N2      

Cookies      

Air      

Gasoline      

Ocean Water      

Chlorine gas