1 / 3

Warm up 11/08/13

Warm up 11/08/13. Question: What is atomic number? Answer: The number of protons in the atom. Each element has a unique atomic # Goal: I will explain atomic number & mass number. ELEMENT OF THE DAY. 27 – Cobalt – Co

dusan
Download Presentation

Warm up 11/08/13

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Warm up 11/08/13 • Question: What is atomic number? • Answer: • The number of protons in the atom. • Each element has a unique atomic # • Goal: I will explain atomic number & mass number.

  2. ELEMENT OF THE DAY • 27 – Cobalt – Co • Cobalt steel is one of the hardest steel alloys and is used in drills and machine bits. • Cobalt compounds are often blue, and are used to tint glass. • 60Co is a highly radioactive version of cobalt that is present in nuclear fallout.

  3. Bellwork / Fav Fri • Atomic Number • Mass number & Isotopes • M & M reminder! • Homework • pg 21-24 • Holiday (red & green) pretzel or mint M&Ms for extra credit Agenda

More Related