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35 Cards in this Set
- Front
- Back
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CaCl2
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calcium chloride
binary salt |
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HI
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binary acid
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valence electrons
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outer-most electrons
it's the same number as the group A column number |
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KNO3
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ternary salt
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NaOH
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strong base
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MgBr2
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binary salt
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ion
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charged particle
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ionic bond
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bond formed between 2 different ions (a positive and negative join)
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Al2(OH)3
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binary base
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N2O5
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covalent compound
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electronegativity
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the affinity (or 'stickiness') of something for electrons
something VERY electronegative loves electrons |
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covalent bond
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bond formed by sharing electrons
formed by elements with similar electronegativities |
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HNO3
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ternary acid
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what is a 'salt'?
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a compound formed between metals and non-metals (the 2 different sides of the periodic table)
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SiO2
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covalent compound
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Cr2O3
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binary salt
Cr likes to be a positive ion |
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KOH
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strong base
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CO
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covalent compound
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SO3
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covalent compound
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AgCl
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binary salt
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ClF2
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covalent
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SnS2
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binary salt
lots of SSS like Salt |
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NaCl
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binary salt
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HF
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binary acid
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Cu(OH)2
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base
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What are the 3 key questions to ask when analyzing matter?
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1. Is the sample uniform througout (different phases)?
2. Can it be separated using only physical means (heating, cooling etc.)? 3. Can it be separated using chemical means (chemical reactions)? |
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Is the sample uniform?
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Yes: homogeneous sample
No: heterogeneous sample |
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Can it be separated using only physical means?
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Yes: (homogeneous) MIXTURE
No: pure substance |
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Can it be separated using chemical means?
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Yes: compound
No: element |
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what do the rows of a periodic table represent?
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the periods
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what do the columns of a periodic table represent?
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the groups or families of elements
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what are the 3 kinds of energy?
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1. potential
2. kinetic 3. radiant |
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what are the 2 kinds of potential energy?
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1. chemical (bomb, explosion - chemical energy is released as fire and heat)
2. gravity |
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what are 4 types of kinetic energy?
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1. electrical
2. thermal 3. mechanical 4. sound |
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what are 7 examples of radiant energy?
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radiant energy = electromagnetic waves
1. x-ray 2. gamma ray 3. UV 4. visible 5. infrared 6. microwave 7. radio waves |
