elements chemical Flashcards
(11 cards)
an ancient study or art which attempted to combine science and philosophy to solve worldly problems
alchemy
a homogeneous mixture of elements with metals to form metallic solids
alloy
the simplest unit of an element that still retains the properties of that element
atom
two or more elements joined together such that the elements have lost their individual identity
compound
a primary substance that cannot be divided into separate substances
element
the group of elements that are good conductors of electricity and heat
metal
the group of elements that are poor conductors of electricity and heat
nonmetal
physical properties would tell you about an element’s mass per unit volume ratio
density
How many naturally occurring elements are there?
92
All atoms of the same element have the same number of:
protons
smallest whole unit of matter with the properties of a specific element
atom