We will now be looking at atomic structure in more detail and how this leads to bond formation between elements.
Complete the questions below using the 2 links. Copy the questions into a word document and submit your questions to the dropbox.
1. Describe what happens when two negatively charged particles interact with one another. (you can draw a diagram to help illustrate your ideas)
- When will oppositely charged atoms stick together?
- A. What is an ion? (Look this up online)
B. What is a cation and where can you find it on the periodic table?
C. What is an anion and where can you find it on the periodic table?
- Take a look at the ionic bond formed between Sodium and Chlorine atoms.
- Draw each atom below as it looks like in NaCl on the website.
- Label the Na and Cl as either + or -. And label each as either Cation or Anion
- Describe how ionic compounds form crystals:
COVALENT BONDS Go to: http://www.teachersdomain.org/asset/lsps07_int_covalentbond/
- If an atom, such as hydrogen, is able to form a covalent bond, describe what happens when the electron shells of two atoms overlap:
- What happens when the two atoms are fairly close?
- What happens when the two atoms are TOO close?
2. What does the nucleus of an atom want to do to its own electrons?
- What does the nucleus of one atom want to do to the electrons of a nearby atom?
- Are the atoms really “sharing” electrons?
- What type of atoms form covalent bonds?
- Draw a graph showing the change in potential energy when atoms form covalent bonds.
- What happens to the stability of atoms when they form covalent bonds?
- A line can be used to represent a covalent bond between two atoms. Diagram pairs of atoms that can form single, double, and triple bonds.
- Can every atom form each of these kinds of bonds?