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65 Cards in this Set

  • Front
  • Back
Where does the abbreviation for the element silver come from?
its derived form the latin word argentum which means silver
waht r the 3 particles that make up and atom and where r tehy located?
protons and neutrons-nucleus
electrons-nucleus cloud around the nucleus
waht are quarks?
particles of matter that make up protons and neutrons
whats the chemical symbol for copper?
cu
whats the chemical symbol for zinc?
zn
whats the chemical symbol for gold?
Au
whats the chemical symbol for lead?
pb
whats the chemical symbol for silver?
Ag
whats the chemical symbol for iodine?
I
whats the chemical symbol for mercury?
Hg
whats the chemical symbol for tin?
Sn
whats the chemical symbol for calcium?
Ca
whats the chemical symbol for chlorine?
Cl
whats the chemical symbol for Iron?
Fe
which 2 parts of an atom have masses that r almost equal 2 eachother?
protons and electrons
where is the majority of the mass of an atom located?
nucleus
Atomic Number is waht?
# of protons in an element
Mass =
atomic number + # of neutrons
how r isotopes of an elements similar and different?
similar-# of protons
different-# of neutrons
why is the atomic mass an average mass?
there r isotopes and they average all the atomic masses into 1 average mass
What is group 18 called?
Noble or Inert Gasses
what is a characteristic of group 18?
non-reactive
what is group 17 called?
halogens
what r some characteristics of group 17?
form salt
disinfectants and cleaners
what is group 1 called?
Alkali Metals
what is a characteristic of group 1?
highly reactive
waht r vertical columns of the periodic table called?
groups or families
what r horizontal columns of the periodiv table caled?
periods
what is common 2 all elements in the same group?
they have common properties and the same electron dot diagram
in a neutral atom what is the number of electrons equal to?
the number of protons
which energy level has electrons with more energy?
the outter most level
how many electrons can energy level 1 hold?
2
how many electrions can energy level 2 hold?
8
what do dots represent in electron dot diagrams?
the electrons in the outter most energy level
elemments colored blue r what?
metals
what r some characteristics of metal?
shiny
good conductors of heat and electricity
most r solids at room temperature
can be pounded into hseets
can be drawn into wires
elemenets colored yellow r what?
nonmetals
what r some characteristics of nonmetals?
bad conductors of heat and electricty at room temperature
most r gasses
brittle
elements colored green r what?
metalloids
why r elements colored green called metalloids?
hey have characterisitcs of both metals and nonmetals
what is the name of the organized table of elements that was designed by mendelev?
periodic table
waht r 2 elements with the same number of protons but different number of neutrons called?
isotopes
waht is the weighted-average mass of all known isotopes for an element called?
average atomic mass
what is the name of the positively charged center of an atom?
nucleus
what r the particles that make up protons and neutrons called?
quarks
what is the name of a horizontal row in the periodic table called?
period
what is the sum of # of protons and # of neutrons called?
mass number
in the current model of the atom where r ther electrons located?
oustide the nucleus in an electron cloud
in which state of matter r most of the elemeents 2 the left of the stair-step line in the periodic table?
solid
what is the term for a pattern that repeats?
periodic
what is an element that would haveve similar properties 2 neon?
argon
what term describes boron?
metalloid
how many outer level electrons does lithium have?
1
what isnt found in the nucleus?
electrons
halogens r in what group?
17
nitrogen is waht state of matter at room temperature?
gas
what element is shiny and a good conductor of heat and electricity?
magnesium
the atomic number of Re is 75. the atomic mass of one of its isotopes is 186 how many neutrons r in an atom of this isotope?
111
Ge and Si r in the same group or period?
group
how many outer level electrons r there in elements 114, 116, 118?
4, 6, 8
Radioactive Sr is in nuclear waste. how is it hazardous 2 people?
its radioactive
which metal, metalloid, and nonmetal all have five outer-level electrons?
bismuth, arsenic, and nitrogen
compare and contrast chlorine and bromine
have the same group, properties, number of electrons in outer level
have different state of matter, atomic number, #of protons, atomic mass, ect
Rubidium has an atomic number of 37 and a mass number of 85. how many protons neautrons and electrons does it have?
37p 48n and 37e
He + He =
He + he + he =
he + he + he + he =
he + he + he + he + he =
Beryllium
Carbon
Oxygen
Nitrogen