Atoms
These are the tiny matter that make up elements.
What are atoms?
This is the 'brain' of the atom.
What is a nucleus?
This is the name of element number 1.
What is hydrogen?
The table is arranged with horizontal rows that are called this.
What are periods?
This is believed to be how all elements have been made that are in the known universe.
What is from nuclear fusion and to a lesser degree supernovas?
This is the name of the very small core of an atom.
What is the nucleus?
This particle has a positive charge.
What is a proton?
This element has an atomic mass of 238.
What is Uranium?
The elements are in columns called this.
What are groups?
These are substances that can conduct electricity and are in short supply lately.
What are seminconductors?
This is how you find an element's atomic mass.
What is you add the number of neutrons and the number of protons together?
This particle has no charge.
What is a neutron?
This is the name of the element with the elemental symbol Na.
What is sodium?
This is the name for the abbreviation for an element.
What is chemical symbol?
Name THREE properties of nonmetals.
What are poor conductors of electricity and heat, reactive, dull and brittle?
This is the name of the present modern atom model.
What is the Electron Cloud?
This particle has a negative charge.
What is an electron?
This element has 42 as its atomic number.
What is Mo, Molybdenum?
This is the average of an elements atoms.
What is atomic mass?
Name ONE chemical property of a metal.
What is reactivity?
This is what the term 'valence electrons' means. (2 things)
What is the number of electrons on outermost shell and tells how reactive an element is?
This number tells you the number of protons and electrons.
What is the Atomic Number?
This element has the elemental symbol Yb.
What is Ytterbium?
This is who's work today's modern Periodic Table is based upon.
Who is Mendeleev?
Name at least THREE physical properties of a metal.
What are shininess, malleability, ductility, and conductivity?