Atomic structure Flashcards
Anything that occupies space and has mass
Matter
A substance that cannot be broken down into smaller components through chemical reaction
element
a table that organizes the elements according to their physical properties.
Periodic table of elements
the number of protons found in the nucleus of an element’s atom
Atomic number
the mass of an atom’s protons and neutrons
Atomic mass
the vertical columns in the periodic table
Group
the horizontal rows in the periodic table
Period
a property of a substance that can be observed without changing the substance’s identity
physical property
a characteristic that describes the atomic or elemental composition of a substance’s identity
chemical Property
the smallest particle of an element that still has all the properties of that element
Atom
particles that make up an atom
Subatomic particle
the center mass of an atom. it contains protons and neutrons.
Nucleus
a subatomic particle with positive charge
proton
a subatomic particle with no charge
netoron
a subatomic particle with negative charge that orbits the nucleus
electron
elements that are lustorious, shiny , hard and malleable and lose electrons easily
metals
elements that are soft, brittle,and dull
non metals
an element that can possess properties of both metals and nonmetals.
metalloid
what is matter made of
Atoms
matter that is made of more than one atom is a…
compound
name 3 physical properties
color, texture, smell, density, hardness, luster, solubility, electrical conductivity, PH
name a form of chemical reaction
change in color, tempurtue, or fizzing
where are the metals in the periodic table of elements
left side
where are the nonmetals in the periodic table of elements
right side
