the best science on the web about
ions

Ionic Bonding
Image: BBC

Ionic Bonding

When it loses or gains electrons, an atom becomes an ion. That’s when things get exciting…literally: An ion is an electrically charged atom.

Metals form positive ions, and nonmetals form negative ions. And because opposites attract, they form ionic bonds. Watch how this works.

BBC
Loading...
How Lithium-Ion Batteries Work

How Lithium-Ion Batteries Work

Find out what advantages make lithium-ion batteries so popular. Then examine the chemistry at work inside a lithium-ion cell. More...

Article
HowStuffWorks
Animations: Atom

Animations: Atom

Drag around electrons, protons, and neutrons to build your own atoms. Remember: Do not try to put an electron in the nucleus, and fill the rings nearest the nucleus first. More...

Interactive
Kscience.com
British Scientist Driven to Find ‘Spark of Life’

British Scientist Driven to Find ‘Spark of Life’

Scientist Frances Ashcroft reveals bioelectricity, or how ions carrying electrical currents in cell membranes drive our bodies to perform simple and complex functions necessary to keep us alive. More...

Article
NPR
Eyes from Ions

Eyes from Ions

Strange but true. Scientists used an electric charge to grow an eye in a tadpole’s gut. That may appear weird, but it might help regenerate larger limbs. More...

Article
Science News for Students
Ions

Ions

Do you know how atoms change to ions? Explore how electrically charged particles are created, and find out about cations and anions. More...

Interactive
Wisc-Online.com
Ions in action

Ions in action

Use a balloon to pick up confetti. How? It’s all about the ions and their electrical attraction. Try it with this easy activity. More...

Activity
NASA
Saltwater Tester

Saltwater Tester

So, what makes saltwater special? Ions! They carry electricity through water; freshwater doesn’t have these ions. Try this tester and see for yourself. More...

Activity
ZOOM/PBS
Surprise Ions

Surprise Ions

Studying Earth’s magnetic field, scientists stumbled on a thick layer of cold, or low-energy, ions. Learn about what they thought was a mistake at first. More...

Article
Science News for Students

Latest Comments

You Also Might Like

  1. volume & density

    volume & density

  2. enzymes

    enzymes

  3. glass

    glass

  4. compounds & mixtures

    compounds & mixtures

  5. toothpaste

    toothpaste