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30 elements
| Question | Answer |
|---|---|
| Hydrogen | Number: 1 Mass: 1 Symbol: H |
| Helium | Number: 2 Mass: 4 Symbol: He |
| Lithium | Number: 3 Mass: 7 Symbol: Li |
| Carbon | Number: 6 Mass: 12 Symbol: C |
| Nitrogen | Number: 7 Mass: 14 Symbol: N |
| Oxygen | Number: 8 Mass: 16 Symbol: O |
| Fluorine | Number: 9 Mass: 19 Symbol: F |
| Neon | Number: 10 Mass: 20 Symbol: Ne |
| Sodium | Number: 11 Mass: 23 Symbol: Na |
| Magnesium | Number: 12 Mass: 24 Symbol: Mg |
| Aluminum | Number: 13 Mass: 27 Symbol: Al |
| Silicon | Number: 14 Mass: 28 Symbol: Si |
| Phosphorus | Number: 15 Mass: 31 Symbol: P |
| Sulfer | Number: 16 Mass: 32 Symbol: S |
| Chlorine | Number: 17 Mass: 35 Symbol: Cl |
| Argon | Number: 18 Mass: 40 Symbol: Ar |
| Potassium | Number: 19 Mass: 40 Symbol: K |
| Calcium | Number: 20 Mass: 40 Symbol: Ca |
| Titanium | Number: 22 Mass: 48 Symbol: Ti |
| Manganese | Number: 25 Mass: 55 Symbol: Mn |
| Iron | Number: 26 Mass: 56 Symbol: Fe |
| Cobalt | Number: 27 Mass: 59 Symbol: Co |
| Nickel | Number: 28 Mass: 59 Symbol: Ni |
| Copper | Number: 29 Mass: 64 Symbol: Cu |
| Zinc | Number: 30 Mass: 65 Symbol: Zn |
| Silver | Number: 47 Mass: 108 Symbol: Ag |
| Iodine | Number: 53 Mass: 127 Symbol: I |
| Gold | Number: 79 Mass: 197 Symbol: Au |
| Mercury | Number: 80 Mass: 200 Symbol: Hg |
| Uranium | Number: 92 Mass: 238 Symbol: U |
| Element | A substance that cannot be broken down any further |
| Periods | Number of energy levels or shells |
| Columns/ Chemical Families/ Groups | Tells amount of valence electrons |
| Atomic Number | Number of protons and electrons (not combined) |
| Atomic Mass | Number of protons AND neutrons (combined) |
| Atom | the smallest particle that retains the properties of a particular element |
| Protons | Positive charge; located in nucleus of an atom |
| Neutrons | Neutral/ no charge; located in nucleus of an atom |
| Electrons | Negative charge; exist in motion around the nucleus and have almost no mass |
| Atomic Orbital (shell) | A layer that surrounds the nucleus of an atom that contains the electrons |
| Valence electrons | A number of electrons in an outer shell of an atom that can participate in forming chemical bonds with other atoms |
| Alkali Metals | 1st column on the periodic table (group 1) not including Hydrogen Very reactive metals, always combined with something else in nature (like in salt) Soft enough to cut with a butter knife |
| Alkaline Earth Metals | 2nd column on the periodic table Reactive metals that are always combined with nonmetals in nature Several of these elements ate important mineral nutrients (such as Mg and Ca) |
| Transition Metals | Elements in groups 3-12 Includes metals in jewelry and construction Metals used "as metal" Less reactive harder metal |
| Boron Family | Elements in group 13 Aluminum metal was once rare and expensive, not a "disposable metal" |
| Carbon Family | Elements in group 14 Contains elements important to life and computers Carbon is the basis for an entire branch of chemistry Silicon and Germanium are important semiconductors |
| Nitrogen Family | Elements in group 15 Nitrogen makes up over 3/4 of the Earth's atmosphere Nitrogen and Phosphorus are both important in living things Most of the world's Nitrogen is not available to living things The red stuff on the tip of matches is Phosphorus |
| Oxygen Family/ Chalcogens | Elements in group 16 reactive Contains metals, metalloids, and nonmetals Oxygen is necessary for respiration Many things that stink contain sulfer |
| Halogens | Elements in group 17 All are nonmetals Very reactive and often bond with elements in group 1 Always found combined with other elements in nature Used as disinfectants |
| Noble Gases/ Inert Gases | Elements in group 18 Exist as gases Nonmetals Not reactive |
| Rare Earth Metals | Some are radioactive Silver, silvery-white, or gray Conduct electricity |
| Metals | Have a color Solid form under standard conditions Mauble |
| Metalloid | Appear like metal but they are brittle Semiconductors Solid under standard conditions |
| Lewis dot Structure | Showing valence electrons |
| Inverse Relationship | As one factor increases, as in distance, the other variable, volume, decreases |
| Covalent Bond | In order to get this stability, atoms come together to achieve the noble gas configuration Sharing electrons |
| Ionic Bond | Transfer of electrons from a metallic atom to a nonmetallic atom Donating electrons |
Created by:
AAWWEESSOOMMEE
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