❤Chemistry Vocab❤ Crossword

The central part of a the atom
A positively charged particle
an uncharged particle or "neutral" particle
A particle that is negatively charged
Electrons move around the nucleus in the _______
The number of protons in an atom
Two or more forms of a single element, same amount of protons, different amount of neutrons
a unit that is used to weigh an atoms weight
This forms when a atom gains or loses one - more electrons
This is created when an atom gains electrons
This is created when an atom loses electrons
A horizontal row on the periodic table
a column in the periodic table of elements
This is an element that readily form positive ions
This element mostly lacks the characteristics of metal
An element who is between metals, solid nonmetals, semiconductors
These elements are reactiveelectropositive, monovalent metals forming strongly alkaline hydroxides.
These are divalent strongly basic metals of the periodic table
These metals are less reactive then other metals
These elements are very reactive and doctors use them to clean the room to get rid of germs
These elements almost never react to/with other elements.
Any of the series of 15 elements from lanthanum to lutetium
Any of the series of 15 elements from actinium to lawrencium
this happens when an atom produces energy and particles from their nuclei
This is a process where atoms produce energy and particles