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What is the smallest unit of an element that retains the property of that element? an atom
What are made from two or more atoms that are joined together? a molecule
What molecule is made of hydrogen and oxygen? water
What is the atomic number of an atom? the number of protons in an atom
What is the center of an atom called? the nucleus
what is inside the nucleus of an atom? protons neutrons
What moves around the nucleus of an atom? electrons
Protons carry what charge? positive
Neutrons carry what charge? neutral
Electrons carry what charge? negative
What are some properties of metals? luster conductivity flexibility
Metals are good conductors of what? heat electricity
What is the flow of electrons from one atom to another called? electricity
All matter is made of what? atoms
How can a scientist separate water into hydrogen and oxygen gas? by running electricity through it
How are elements arranged on the periodic table? by atomic number
What does the atomic number of an atom represent? the number of protons in an atom
What kind of physicist studies the inside of an atom? nuclear
What must be aimed at the nucleus to separate the neutrons? an electron beam
What parts of the universe are made of either matter or energy? everything
What type of atoms are in every living thing? carbon
What are the 3 most common forms of matter? solids liquids gases
What material cannot be broken down into anything simpler? an element
Created by: Reese56