CHEMISTRY Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 19 clues. Answers range from 3 to 19 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Electrons on the outer most orbit or energy level of an atom
the atomic mass of this element is 173.054
compounds thatn contain 2 elements are called?
mad eup of 1 or more postitive metal ions and 1 or more negative non-metal ions.
atoms of an element that have the same number of protons and neutrons
a full shell of 8 electrons in the outer energy level of an atom
the attractive force between atoms and ions within a comound
a table where the chemical are arranged by atomic mass
smallest particle of an element
a substance that speeds up reactions without changing its self
a negativly chrged subatomic particle
a column of elements in the periodic table
describes a change or quality in matter that has no numerical value expressed
an element in group 1 of the periodic table
the time it takes for one-half the nuceli in a radio active sample to decay
a charged entity formed by the addition or removel of one or more electron(s) from a neutral atom
a circular path in whitch an electron can move around the nucleus
standard ambient temperature and pressure
a gradual amd consistent change in properties within periodes or groups of the periodic table
