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Atoms
Periodic Table
Bonds
Water
More water
100
Basic unit of matter. Greek means unable to cut
What is an ATOM
100
The protons in an atom.
What is atomic number
100
Bond formed by the transfer of electrons
What is ionic bond
100
A molecule In which the charges are unevenly distributed is called this due to the molecule acting like a magnet with poles
What is polarity
100
Mixture of two or more substances where all the components are evenly distributed
What is solution
200
In the center of an atom made of protons and neutrons
What is Nucleus
200
The protons and Neutrons in an atom make up the....
What is atomic mass
200
Bond formed by sharing of electrons
What is covalent bond
200
Attraction between molecules of the same substance
What is cohesion
200
DAILY DOUBLE The substance dissolved in a solution is the... the substance that does the dissolving is the...
What is solute and solvent
300
Particles with positive charge
What is proton
300
A pure substance consisting entirely of one type of atom
What is an element
300
Positively or negatively charged atoms
What are ions
300
Attraction between molecules of different substances
What is adhesion
300
Measurement system used to indicate the concentration of Hydrogen ions in solution
What is PH
400
Particles with a negative charge
What is electron
400
Atoms of the same element that differ in number of neutrons
What is isotope
400
The smallest unit of most compounds
What is molecule
400
A MATERIAL COMPOSED OF TWO OR MORE ELEMENTS OR COMPOUNDS THAT ARE PHYSICALLY MIXED TOGETHER BUT NOT CHEMICALLY COMBINED
What is MIXTURE
400
Comound that forms hydrogen ions in a solution. 0-6 on pH scale
What is Acid
500
Electrons in the outer shell of an atom.
What are valence electrons
500
A substance formed by the chemical combination of two or more elements in definite proportions
What is compound
500
A slight attraction that forms between oppositely charged regions of nearby molecules
What is van der waals forces
500
Due to cohesion. Strong attraction of water molecules that that enable some bugs to walk on water.
What is surface tension
500
Ions that form hydroxide ions OH- In a solution
What is Base