Chemical bonds and compounds Flashcards
What is a cation?
formed by losing electrons and is positively charged
What is an anion?
formed by gaining electrons and are negatively charged
What is an ionic bond?
An attraction between a Anton (-) and cation (+)
What is an electrolyte?
A substance that forms ions in aqueous solution ie. when dissolved in water
Why do solutions in ionic compounds conduct electricity but solids do not
free moving electrons
Do you think molten (liquid) ionic compounds would conduct electricity? explain
yes because they give them the properties of a solid
A molecule is the smallest part of a substance capable of a stable independent existence. A molecule can be what?
1 - one atom
2 - Two or more atoms of the same element joined by covalent bonds
3 - A compound with 2 or more different atoms joined by covalent bonds
Name the 4 shapes of molecules
Tetrahedral (windmill)
Pyramid
bent or v-shaped
linear
