GROUP #5 Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 2 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
The lightest chemical element
The person who discovered atom
Group of chemical elements that mostly lacks metallic attributes.
He arranged the Periodic Table by increasing atomic mass
The horizontal lines in the Periodic Table
This determines the number of protons of an element
Vertical columns in the Periodic Table also called as groups
Group 18 and the only group with a full outer shell (8 valence electrons)
Halogens and ___ react aggressively
Matter made up of one kind of atom
Chemical element with symbol Hg and also called Hydrargyrum
Subatomic particles found in the nucleus of an atom
The Father of Modern Chemistry (Surname)
The number of elements listed in the Periodic Table of Elements
The chemical symbol for Einsteinium
A chemical element that has an atomic number 8
It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table.
A chemical element that is a component of common salt and has an atomic number 11
Is made up of the elements hydrogen and oxygen
Chemical element with symbol Ne
