Chemistry 521A - Chapter 7 Vocabulary

13 terms by mlister 

Ready to study?
Start with Flashcards

Create a new folder

Advertisement Upgrade to remove ads

Chemical formula

shows the kinds and numbers of atoms in the smallest representative unit of a substance

Valence electrons

electrons in the highest occupied energy level of an element's atoms

Electron Dot Structure

A diagram that shows valence electrons as dots

Octet Rule

In forming compounds, atoms tend to react so as to acquire the stable electron configuration of a noble gas

Halide ion

a negative ion formed when a halogen atom gains an electron

Formula Unit

the lowest whole-number ratio of ions in an ionic compound

Ionic bonds

the electrostatic attraction that binds oppositely charged ions together

Coordination Number

the number of ions of opposite charge that surround the ion in a crystal

metallic bonds

the attraction of free-floating valence electrons for positively charged metal ions

Ionic compounds

compounds composed of cations and anions

Alloy

a mixture of two or more elements, at least one of which is a metal

Anions

negatively charged ions

Cations

positively charged ions

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set