Periodic Table - - TEST 2 Flashcards
What is the term for the place where all known elements are located?
Periodic Table
What is the term for atoms of the same element but with different numbers of neutrons?
Isotope
What is the term for an element found in one of the B groups (middle) in the periodic table?
Transition Metal
What is the term for the part of an atom that has no charge (neutral and are located in the nucleus?
Neutron
What is the term for the elements that are very reactive - occur in nature as compounds and are found in Group 1A?
Alkali Metals
What is the term for the vertical columns of the table?
Group
What is the term for the clouds that hold the electrons?
Electron shell
What is the term for the horizontal rows of the periodic table?
Period
What is the term for the elements with a full valance shells, do not react with any other atom and are in Group 8A?
Nobel Gases
What is the term for the elements on the far right side of the periodic table and are non lustrous, insulators and brittle?
Nonmetals
What is the term for the elements found on the left side of the table, are conductive of electricity and heat, are lustrous, ductile and malleable?
Metals
What is the term for the sum of protons and neutrons in the nucleus of the atom?
Atomic Mass
What is the term for an atom that has gained one or more electrons and has become negative?
Anion
What is the term for the elements that have both metal and nonmetal properties?
Metalloids
What is the term for an atom that has lost one or more electron and has become positive ?
Cation
What is another name for the elements that are found in Group 7A?
Halogens
How many electrons can the 2nd electron shell hold?
8
What is the name for the horizontal rows on the periodic table?
Periods
What is the maximum number of electrons the 1st electron shell can hold?
2
What is the term for a positively charged particle in the nucleus of the atom?
Proton
Who put together the periodic table of the elements?
Dmitri Medeleev
What is the term for the MOSTLY radioactive families at the bottom of the periodic table?
Lanthanides & Actinides
What is the term that states that every atom want to have 8 electron in its valence she’ll?
Octet Rule
What is the term for the electrons in the outermost she’ll of an atom?
Valence electron
What is the negatively charged particle orbiting the nucleus?
Electron
What is the term for group 2A on the periodic table?
Alkaline Earth Metals
What is the term for the number that tells you how many protons are in an atom?
Atomic number
Be able to use the periodic table to determine if and element is a metal, nonmetal, Metalloid, alkali metal, alkaline earth metal, transition metal, halogen, noble gas, actinide and lanthanides .
See Mrs. Krumpelman for help
What element has era-aluminum?
Gallium
What family is highly reactive with water and oxygen?
Alkali Metals
Which family contains elements that are useful in the body, such as bone structure, hormonal regulation, sleep regulation and muscle contraction?
Alkaline Earth Metals
Which group of elements are unreactive?
Noble gases
Whic group of elements are electron thieves?
Halogens
What is the formula for Atomic Mass?
Protons + Neutrons
Be able to use a periodic table to determine protons, and neutrons?
See Mrs. Krumpelman for help
Be able to determine if an ion is a Cation or an Anion
See Mrs. Krumpelman for help
How many electrons can the second she’ll hold?
8
How many electrons can the 784,239,587th shell hold?
8
Be able to determine how many valence electrons an element has?
See Mrs. Krumpelman for help
