ITM

What are the inner transition metals??

The Halogens

What are Halogens? What is the importance of this group?

Alkali Metals

What are the alkali metals?? What are some of their properties?

Metals

What are some of the properties of metals? chapter 19

Guys

Who was Otto Hahn and Fritz Strassmann and what did they do for science?

Meitner

Who was Lise Meitner and what did she do for chemistry?

Changing Elements

Yesterday was it hard or easy to change an element into another element? What was to process of change called?

Lab

What did you learn from lab today??

Tracer

What is a tracer and how is it used?

Detectors

What are the different types of radiation detectors? Explain each of them.

Half-life

What is half-life of an element??

Transmutation

What is transmutation? How is it related to alpha particles?

Radioactivity

Who discovered radioactivity??? page 540

Smoke Detector

How does a somke detecor work? Hint on page 542

Alpha

What is an alpha particle?

Strong Force

What is a strong force??

Table

How are the elements are arranged on the periodic table?

Wondering

What are the two elements that scientists believe are the bluiding blocks of the universe? Explain. Hint:: look on page 524