#1. What is an element ? - A substance consisting of atoms which all have the same number of protons. #2. What is a compound ? - A combination of two or more atoms. #3. What is molecule ? - A group...
peiqin_ang|10 years ago|±0|26 views
Chem Exam #1
#1. Define Hypothesis: - Is a tentative, untested explanation of observations, experiements or laws. #2. Define Model: - Is a method of visualizing objects or relationships that cannot be observed...
Will_W_Crockett|4 years ago|±0|14 views
Unit 6: Periodic Table
#1. Mendeleev - First periodic table organized by atomic mass (p+n) left spaces #2. Moseley - Modern periodic table organized by atomic number (p) #3. families have the same number of...
Staylor|6 years ago|±0|129 views
Y10D - UNIT 4 AND 5 BINGO
put your names in here, you have to fill in at least 10 'bingo cards'
danielcormarTEMS|1 year ago|±0|1 view
chem ion things
#1. Pb2 + - lead (II) or plumbous #2. Ag+ - silver #3. NH4 + - ammonium #4. SO3 2- - sulfite #5. HSO4 - - hydrogen sulfate #6. Hg2+ - mercury (II) or mercuric #7. H+ - hydrogen #8. Cd...
caseyjo|6 years ago|±0|7 views
Meaning of Prefixes in Metric System
Table 2 in Lab Experiment 1
brianquintero1|5 years ago|±0|10 views
Household Chemistry Vocabulary
#1. Soution - A homogeneous mixture where the particles are too small to be seen; it stays evenly mixed #2. Solute - Any material that dissolves into the solvent. #3. Solvent - Any material in whic...
eaguilar|7 years ago|±0|18 views
#1. Einstein - Light is a stream of particles. Particles are called photons, and have a zero rest mass, carrying a quantum of energy. #2. Bohr - Model of the hydrogen atom. Electron orbits nucleus ...
jselby|7 years ago|±0|17 views