Modern Chemistry: chapter 1 Flashcards
chemistry is the study of
composition, structure, and property of matter
carbon containing compounds
non-organic substances (non-carbon)
energy (matter and properties and changes)
identification of components and compositons of materials
mathematic and computers
sake of knowldege
goals defined by specific needs
employs exisiting knowledge and makes life easier or more convient
anything that takes up space and has mass
smallest unit of an element that maintains the chemical identity of that element
DEPENDS on the amount of matter present
DOES NOT depend on the amount of matter present
definite volume and definite shape
definite volume and indefinite shape
neither definite volume or definite shape
high temperature physical state of matter in which atoms lose their elements
substances ABILITY to undergo changes that transform into different substances
change where 1 or more substances are converted into different substances (think chemical reaction)
substances that react (starting substance)
substances that are formed
blend of two or more kinds of matter in which each retains irs own identity and properties
If it is a pure substance and can be separated into simpler substances, what is it?
If it is a pure substance and can not be separated into simpler substances, what is it?
If it is a mixture and is uniform throughout, what is it?
If it is a mixture and is not uniform throughout, what is it?
elements serve as
the building blocks of matter
vertical columns on the periodic table
groups or families
rows on the periodic table
metals ability to be flattened or rolled into thin sheets
metals ability to be drawn into a fine wire
most nonmetals are _____ at room tempertature
non metals are on what side of the table
metals are on what side of the table
to the left of the staircase
the staircase is composed of what
metalloids tend to be ____
metalloids are ______ at room temperature
how many elements are metalloids?
noble gases are what group?
noble gases are generally ____
quantity is what?
how many of a substance is there
quality is what?
the way the substance is. color, texture, smell, etc.