Waves
The ATOM
Bonds
Chemicals
THE MIXED TAPE
100
What is the top of a wave called?
The Crest
100
What are the positive particles in an atom called?
Protons
100
_____________form between different atoms and make molecules
Bonds
100
C + 02 -----> CO2
This is an example of a __________________
Chemical Reaction (Synthesis)
100
Which particles in an atom have a negative charge?
Electrons
200
Mechanical waves need a ______________ in order to transfer energy
Medium (Matter)
200
Who is the man that first proposed the idea of the atom over 2,000 years ago?
Democratus
200
___________ ____________ are the particles of an atom that are most involved in forming bonds (by being transferred or shared)
Valence Electrons
200
Na + Cl2 ------> 2NaCl
In this reaction, NaCl is the _______________
Product
200
What are at least 2 examples of mechanical (physical) waves?
Soundwaves, Earthquakes/Seismic, Ocean waves
300
Electromagnetic Waves can travel through ___________________
vacuum/space
300
What part of the atom are the protons and neutrons located in?
the Nucleus
300
Ionic bonds _______________elections to form compounds
transfer
300
What type of chemical reaction is this: (hint: start out together, end up apart)
2AgCl ----> 2Ag + Cl2
Decomposition
300
What type of chemical reaction is this?
C3H8 + 5O2 → 3CO2 + 4H2O
Combustion Reaction
400
What type of mechanical wave is a soundwave?
longitudinal/compression
400
What is one of the names of the paths or rings that the electrons travel in?
Shells/Orbits/Energy Levels/Clouds
400
Covalent bonds are formed when metal and a nonmetal share valence electrons in order to both have __ (or 2) total electrons
8
400
2NH4 +NO3 ------>2N2+O2+4H2O
The big 4 in front of the H2O is a ______________, and it shows the number of H2O MOLECULES
Coefficient
400
What do the dots in a dot diagram represent?
Valence Electrons
500
What is the spread out part of a compression wave called?
The rarefaction
500
We take the atomic mass and subtract the atomic number to find ____________________
The number of Neutrons
500
What kind of bond is this?
Covalent (Single)
500
2NH4 +NO3 ------>2N2+O2+4H2O
The small 3 in NO3 is called a ______________ and it shoes the number of Oxygen ATOMS in this compound
subscript
500
Which EM waves have the most energy and highest frequency?
Gamma Rays