Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Mid Summative 1 2 Answers


Published on

Published in: Technology, Business
  • Be the first to comment

  • Be the first to like this

Mid Summative 1 2 Answers

  1. 1. Which elements are in the following substances? Nitrogen, Hydrogen, Carbon, Oxygen (NH 4 ) 2 CO 3 Ammonium carbonate Lead, Carbon, Hydrogen, Oxygen Pb(C 2 H 3 O 2 ) 2 Lead acetate Oxygen O 3 Ozone Carbon, hydrogen, oxygen C 12 H 22 O 11 Sucrose Hydrogen, Oxygen H 2 O Water Names of elements Chemical Formula Substance
  2. 2. What is the difference between Ni and NI? <ul><li>Ni is the symbol for the element Nickel </li></ul><ul><li>NI is the symbol for 2 elements , Nitrogen and Iodine </li></ul>
  3. 3. What is a substance? <ul><li>A form of matter that is different from every other form of matter </li></ul>
  4. 4. Which are substances? <ul><li>Ni </li></ul><ul><li>Co </li></ul><ul><li>Fe </li></ul><ul><li>CO </li></ul><ul><li>CaCO 3 </li></ul><ul><li>MgSO 4 </li></ul>
  5. 5. How are elements & matter related? <ul><li>Elements are the building blocks of matter </li></ul>
  6. 6. Why was the mystery mixture a chemical reaction? <ul><li>A chemical reaction is the combination of 2 or more substances that results in a new substance. We combined the mystery mixture with water and a gas (bubbles) formed which is a new substance </li></ul>