Mystery
if an atom has 4 electrons and 3 protons, what is their charge?
what is 1 negative charge?
where are valence electrons located?
what is at the outermost shells?
a negative ion
What is a anion?
what happens to the atomic number when you move to the right?
what is a group in the periodic table of elements?
what is elements in the same vertical column
what type of charge is this atom and what is the name of it?
Na+
what is positive charge and cation?
what represents the number of protons in an atom?
what is an atomic number?
when you add or subtract a proton
what is a new element
what happens to the atomic size when you go across the table of elements (left to right)?
what is the atom size decreases?
what is a period on the periodic table of elements?
what is elements in a horizontal row?
what was the periodic table of elements and who created it?
what is a chart that organizes all the known elements and was created by Dmitri Mendeleev?
what is the atomic mass?
what is the average mass of all an element's isotopes?
which element has six electrons, six protons, and six neutrons
what is carbon
what happens to the pull of the nucleus when you move down a row?
what is decreasing ionization energy?
What type of ion is this elements, O-2?
what is an anion?
what is the chemical symbol for gold?
what is Au?
what determines the reactivity of an atom?
what is valence electrons?
when you add or subtract a neutron
What is an isotope?
what happens to the atomic size when you move down a row?
what is increasing radius?
what similar properties do each period share?
what is they share the same number of energy shells?
Which one of these four properties does not match gold? metallic, malleable, ductile, odorless.
what is odorless?
what is reactivity?
what is the ease and speed in which an element an element combines or reacts with other elements?
how many neutrons are in an atom of sodium?
(hint: atomic mass=22.99, atomic number=11)
what is 12
what increases when you go across the periodic table of elements (left to right)
what is ionization energy?
what represents elements (and consists of one or two letters) and which two languages do most of the names come from?
what is a chemical symbol and Greek/Latin