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;
10 Cards in this Set
- Front
- Back
|
atom
|
the smallest unit of an element
|
|
|
nucleus
|
the center of the atom that contains the protons and neutrons
|
|
|
orbit or energy level
|
the area of the atom where the electrons are found
|
|
|
neutron
|
a particle in the nucleus that has no charge
|
|
|
electron
|
a negatively charged (-) particle that orbits the nucleus of an atom
|
|
|
protons
|
a particle in the nucleus that has a positive charge (+)
|
|
|
periodic table
|
a graphic arrangement of all the elements on the earth
|
|
|
electron
|
a negatively charged (-) particle that orbits the nucleus of an atom
|
|
|
element
|
a substance made up of only one kind of atom
|
|
|
molecule
|
two or more atoms joined together to form a substance
|
