P.S. ch5 vocab

Front

As you go down group 1, what happens to softness and reactivity?

Back

Softness increases, reactivity increases.

Front

What are Group 1 elements known as?

Back

Alkali metals.

Front

How do atoms within the same group react?

Back

React in the same way.

Front

What are Group 17 elements called?

Back

The halogens.

Front

What are Group 18 elements called?

Back

Noble gases.

Front

What are Group 2 elements known as?

Back

Alkaline earth metals.

Front

What are Groups 3-12 elements known as?

Back

Transition metals.

Front

Where are metalloids found and what are their properties?

Back

Found along the 'staircase'. Have properties of both metals and nonmetals.

Front

What are the properties of nonmetals?

Back

Brittle, dull, poor conductors of heat and electricity, and have much lower melting and boiling points.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom of an element.