Periodic Table Review

Front

What is the significance of the outermost electron in a sodium atom?

Back

It determines the valence number.

Front

How many valence electrons are in the Noble Family?

Back

8

Front

What is the charge of protons in the nucleus?

Back

Positive

Front

How many electrons are present in the second energy level of a Bohr atomic structure?

Back

8

Front

What does Mr. Minors joke about walking your dog on a leash tell you about the size of an Atom when it comes to gaining or losing an electron?

Back

The bigger the Atom the LESS energy it takes to lose an Electron.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.

Front

What are isotopes?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What is a cation?

Back

A positively charged ion formed by losing electrons.