Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
atom
|
is the smallest unit element that can still be identifed as an element
|
|
|
proton
|
is a subatomic particle that has a positive charge
|
|
|
neutron
|
is a subatomic particle that has the same mass as a proton but has no electric charge
|
|
|
electron
|
is a subatomic particle thet has a negative charge
|
|
|
atomic number
|
the number of protons in a atom
|
|
|
element
|
is a substance that contains one kind of atom
|
|
|
plasma
|
a mixture which is made up of charged and uncharged atoms and electrons
|
|
|
what is the reason elements are arranged in columns
|
familys are arranged
|
|
|
how many isotopes are there
|
carbons 13 14 15
|
