Atomic structures Crossword

A charged ion is called _________.
The maximum # of electrons allowed in the firsg energy level is ____.
All elements, with the exception of noble gases, gain, lose or shared electron(s) to obtain a full valence shells of eight electrons. This is known as the ___________ rule.
Gilbert Lewis explains chemical bonding using a model known as the _______ dot or structures diagram.
A positively charged is called _________.
The alkaline earth metals react with water to form ________.
Elements that have the same number of protons but different mass numbers are called ________.
The chemical family name for group VIII elements are called the _________.
The rare earth metals are found in row ________
The most reactive nonmetals in group VII is _______.
The number of valence(s) for alkali metals is/are _______.
Dmitri Mendeleev is famous for arranging 64 known elements in an organized table called tbe __________.
Modt metals are gray or silver in coloured, except for copper and _________.
This metal is used in telecommunication because it is a good conductkr of electricit.____________
There are ________ energy levels in an atom of astatine.
Protons and neutrons are found in the _______ of an atom.
Electron carries a _________ charge.
Metals ______ electron(s) to achieve the sane electron arrangement as the closest noble gas.
Sodium loses one electron to form a cation with a ___________ one charge.
The name of an ion with two oxygen atoms joiened together with a 2- charged is called ___________.
Nonmetal ions have the ending "_____" in their names.
Aa molecule consisting of two atoms joined together in a single unit is called __________.
J J ___________ discovered the ___________.
Ernest _____________ discovered fhe nucleus of the atom.
Boht found that electrons occupied certain allowed orbits called _____________.
All halogen gain ______ electron(s) to form ions with -1 charge.
This element is used to mske steel and has 26 protons is called _______.
These metals form multivalent ions.
_____________ gain electrons to form anions.
Table _______ is called sodium chloride.
The chemical formula for __________ is H2O
This liquid metal, ____________, was used in thermometer.