The Elements Crossword

abbreviations for chemical elements. Usually consists of the first or first two letters of the element name
elements made of tiny particles
distinct substance that is composed of the atoms of two or more elements
atoms contain negative particles called _____
created by J. J Thomson, concluded that an atom might look something like a _________
an atom with a dense center of positive charge
developed by Ernest Rutherford in which a small positively charged nucleus is surrounded by planetary electrons
same size as an electron but has a positive charge
slightly bigger than electron and has no charge
atoms with the same number of protons but different numbers of neutron
the number of protons in a nucleus of an atom
the sum of the number of neutrons and the number of protons in a given nucleus
this chart shows all of the known elements
the columns of the periodic table are called _____
first column of elements is called ______
second column of elements is called ________
seventh column of elements is called ______
eighth column of elements is called_____
a large collection of elements that spans many vertical columns
appear in the right upper hand of the periodic table. Lack the properties of metals
silicon, germanium, arsenic, antimony, and tellurium are ______
a charged entity
a positive ion
negatively charged ion
the types of atoms and the number of each type in each unit of a compound are expressed by this.