Test 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| C | Carbon
🗑
|
||||
| F | Fluorine
🗑
|
||||
| H | Hydrogen
🗑
|
||||
| I | Iodine
🗑
|
||||
| N | Nitrogen
🗑
|
||||
| O | Oxygen
🗑
|
||||
| P | Phosphorus
🗑
|
||||
| S | Sulfur
🗑
|
||||
| Al | Aluminum
🗑
|
||||
| Br | Bromine
🗑
|
||||
| Ca | Calcium
🗑
|
||||
| Cl | Chlorine
🗑
|
||||
| He | Helium
🗑
|
||||
| Li | Lithium
🗑
|
||||
| Mg | Magnesium
🗑
|
||||
| Si | Silicon
🗑
|
||||
| Cu | Copper
🗑
|
||||
| Fe | Iron
🗑
|
||||
| Pb | Lead
🗑
|
||||
| Hg | Mercury
🗑
|
||||
| K | Potassium
🗑
|
||||
| Ag | Silver
🗑
|
||||
| Na | Sodium
🗑
|
||||
| Sn | Tin
🗑
|
||||
| homogeneous mixture, variable composition (salt in water) | solutions
🗑
|
||||
| Changes of state, temperature, volume, etc | Physical changes
🗑
|
||||
| Combustion, oxidation, decomposition, etc | Chemical changes
🗑
|
||||
| separating liquid from solids differences in solubility | filtration
🗑
|
||||
| differences in ability to form gases | distillation
🗑
|
||||
| differences in ability to adhere to surfaces | chromatography
🗑
|
||||
| proximity of measurement to true value of quantity | accuracy
🗑
|
||||
| proximity of several measurements to each other | precision
🗑
|
||||
| Law of Conservation of Matter | The total mass of substances present at the end of a chemical process is the same as the mass of substances present before the process took place
🗑
|
||||
| Law of Constant Composition | the elemental composition of a pure substance does not vary
🗑
|
||||
| Law of Multiple Proportions | two elements form more than one compound
🗑
|
||||
| Protons are the same as: neutrons or electrons? | Electrons
🗑
|
||||
| Isotopes | Same number of protons, different number of neutrons
🗑
|
||||
| Periods | Horizontal rows
🗑
|
||||
| Groups | Vertical columns
🗑
|
||||
| atomic number= | number of protons
🗑
|
||||
| average atomic mass: | average atomic mass = Σ (abundance ∙ atomic mass) for each isotope
🗑
|
||||
| ionic bond: | metal+nonmetal, electron transfer
🗑
|
||||
| covalent bond: | nonmetals, electron pair sharing
🗑
|
||||
| metallic bond: | metals, electron band sharing
🗑
|
||||
| Diatomic molecules | Occur naturally as molecules containing two atoms (H2, N2, O2, F2, Cl2, Be2, I2
🗑
|
||||
| Group 1A | Alkali Metals
🗑
|
||||
| Group 7A | Halogens
🗑
|
||||
| H20 | water
🗑
|
||||
| NH3 | ammonia
🗑
|
||||
| CH4 | methane
🗑
|
||||
| molecular weight | sum of all atomic weights of all the atoms in a molecule, amu
🗑
|
||||
| formula weight | sum of attomic weights for all the atoms in a chemical formula, amu
🗑
|
||||
| Percent composition | (number of atoms)(atomic weight)/(FW of compound) *100
🗑
|
||||
| cations | positive, formed on left side, lose
🗑
|
||||
| anions | negative, formed on right side, gain
🗑
|
||||
| Group 2A | alkaline earth metals
🗑
|
||||
| Group 6A | chalcogens
🗑
|
||||
| Na2S | sodium sulfide
🗑
|
||||
| CaO | Calcium oxide
🗑
|
||||
| BaCl2 | barium chloride
🗑
|
||||
| CaF2 | calcium fluoride
🗑
|
||||
| K2O | potassium oxide
🗑
|
||||
| per-ate | 4 oxygens
🗑
|
||||
| ate | 3 oxygens
🗑
|
||||
| -ic acid | acid of ate anion
🗑
|
||||
| -ous acid | acid of ite anion
🗑
|
||||
| HCl | hydrochloric acid
🗑
|
||||
| HNO3 | nitric acid
🗑
|
||||
| H2SO4 | sulfuric acid
🗑
|
||||
| HBr | hydrobromic acid
🗑
|
||||
| HI | hydroiodic acid
🗑
|
||||
| HClO3 | chloric acid
🗑
|
||||
| HCL04 | perchloric acid
🗑
|
||||
| NH4+ | ammonium
🗑
|
||||
| CO32- | carbonate
🗑
|
||||
| NO3- | nitrate
🗑
|
||||
| PO43- | phosphate
🗑
|
||||
| SO32- | sulfite
🗑
|
||||
| ClO3- | chlorate
🗑
|
||||
| ClO4- | perchlorate
🗑
|
||||
| formula weight (amu) is same number as molar mass (g/mol) |
🗑
|
||||
| polyatomic ion | hydroxide, OH-,
🗑
|
||||
| CH3COO− | acetate
🗑
|
||||
| C6H5COO− | Benzoate
🗑
|
||||
| HCO3- | bicarbonate
🗑
|
||||
| CO32- | carbonate
🗑
|
||||
| CN- | cyanide
🗑
|
||||
| OH- | hydroxide
🗑
|
||||
| NO3- | nitrate
🗑
|
||||
| PO43- | phosphate
🗑
|
||||
| SO42- | sulfate
🗑
|
||||
| NH4+ | ammonium
🗑
|
||||
| H3O+ | hyrdonium
🗑
|
||||
| Hg22+ | Mercury (I)
🗑
|
||||
| C7H7+ | Tropylium
🗑
|
||||
| H- | hydride
🗑
|
||||
| ClO4- | perchlorate
🗑
|
||||
| ClO3- | Chlorate
🗑
|
||||
| ClO2- | Chlorite
🗑
|
||||
| CN- | Cyanide
🗑
|
||||
| ClO- | Hypochlorite
🗑
|
||||
| NO3- | Nitrate
🗑
|
||||
| NO2- | Nitrite
🗑
|
||||
| NH4+ | Ammonium
🗑
|
||||
| H3O+ | Hydronium
🗑
|
||||
| Hg22+ | Mercury (I)
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
1177770046
Popular Chemistry sets