Term 1 Flashcards
Define Matter
Matter is the building blocks of everything
Name three states of matter
solid, liquid and gas
why is science not magic?
Science is not magic because we know that changes happen because of reactions
What is an atom?
an atom is the smallest unit of matter to exist
Describe the structure of an atom
protons, neutrons and electrons
Define what a subatomic particle is
subatomic particles make up atoms
Define an element
something that can not be broken down into anything else
How does technology increase our understanding of the atom
technology increases our understanding of the atom because we are able to study them thoroughly
what the period table is and
the periodic table organizes all elements
Why is the periodic table so important?
the periodic table is important because it puts all elements into groups
How is the periodic table organized
the periodic table is organized left to right and top to bottom in order of increasing atomic number
name and identify some elements on the periodic table
carbon, helium anad hydrogen
Identify properties of metal
good conductors of heat and electricity
Identify properties of non metals
properties of non metals is that they are good conductors
identify properties of semimetals
