Chapter 4 Flashcards
(29 cards)
An ionic bond is an example of an ______________
Chemical bond
In an ionic bond, electrons are _______
Transferred
When an atom gains or loses An electron it is called an
Ion
In an ionic bond, the Adam that loses an electron becomes ________
Positive
In an ionic bond, the Adam that gains an electron becomes
Negative
In a covalent bond, Atoms __________ electrons
Share
Water/h2O is an example of a _________
Polar molecule
And Atom can form as many bonds as it needs to become _________
Stable
Two or more Atoms held together by covalent bonds is a _________
Molecule
Starting materials in a chemical reaction
Reactants
End up with material in chemical reactions
Products
_______ react to _________ the product
Reactants;produce
Chemical reactions do not create or destroy ________
Atoms
Chemical reactions ________ atoms
Rearrange
Attraction between water molecules
Cohesion
Other non-water molecules that water is also attracted to
Adhesion
Water _______ change in temperature
Resists
Measure of the average energy of random motion of particles in a substance
Temperature
What is less dense than water?
Ice
Amount of matter in a given volume
Density
Water ______ when frozen
Expands
The thing to dissolve
Solute
Result of the dissolve in the dissolver (thing to be dissolved)
Solution
The dissolver
Solvent
