Test is Wednesday
Atomic Structure, Bonding, Radioactivity Test Study Guide
You should have these papers in your notebook:
- Ionic bonding notes
- Ionic bonding assignment
- Covalent bonding notes
- Solutions (precipitate) activity
- Chap 23.1 questions
- Radioactivity (penny) lab
- Chap 23.2 questions
- Radiocarbon assignment
- Radiocarbon quiz
- Draw a Lewis diagram for 115B.
- Give examples of an ionic and a covalent molecule.
- Why is water a polar molecule?
- Is KCl a salt ?
- Why do we focus most on the valence electrons when discussing chemical bonding?
- N2 is a triple bond. What does that mean? Show the Lewis diagram.
- Describe ionic and covalent bonds in terms of metallic and non-metallic elements.
- Balance the following equation: ____ H2 + ____ O2 ____ H2O
- Are group 7 elements e- donators or acceptors?
- Are group 1 elements e- donators or acceptors?
- Describe step by step the Solutions (precipitate) activity.
- What were the reactants in the Solutions (precipitate) activity?
- What were the products in the Solutions (precipitate) activity?
- Describe what Mr. Rick did to retrieve the chalk and salt.
- What is radioactivity?
- Compare and contrast alpha and beta particles.
- Compare and contrast alpha and gamma particles.
- Why are some isotopes radioactive and others not ?
- How much of the radioactive substance is left after 1 half-life?
- After 3 half-lives, how much of a radioactive sample will be left ?
- Use your 14C graph to estimate how long it would take for 85% of the 14C in a sample to decay.