[DOC] [TLE] Periodic Table Puzzle - Answer Key [PAR] Periodic Table Puzzle - Answer Key. Down: 1. IRON - I have 26 protons. 3. 
HYDROGEN - I ... Earth's must. 8. OXYGEN ~ I am a gas with 8 protons and 8 
neutrons. ... SILVER - My atomic number is 47 and I am used to make 
photographic film. 15. ... CARBON  I am the head of the carbon family known as 
the basis of life. 9. [DOC] [TLE] Chemistry Flashcards | Quizlet [PAR] IT'S ELEMENTAL---With 1 as its atomic number, this gas heads up the .... FUN 
WITH THE PERIODIC TABLE---After helium it's the NeXT noble gas on the table. [DOC] [TLE] Period 1 element - Wikipedia [PAR] A period 1 element is one of the chemical elements in the first row (or period) of 
the periodic table of the chemical elements. The periodic table is laid out in rows 
to illustrate recurring (periodic) trends in the chemical behaviour of the elements 
as their atomic number increases: .... heads the noble gas series in the periodic 
table and whose atomic number is... [DOC] [TLE] Ununoctium - Wikipedia [PAR] Ununoctium (symbol Uuo) is a transactinide chemical element. It was first 
synthesized in 2002 by a joint team of Russian and American scientists at the 
Joint Institute for Nuclear Research (JINR) in Dubna, Russia. With the atomic 
number 118 in the periodic table, the synthetic element is ... On the periodic table 
of the elements it is a p-block element and the last one... [DOC] [TLE] Period 1 element - Simple English Wikipedia, the free encyclopedia [PAR] A period 1 element is an element in the first period (row) of the periodic table. ... 
This is because in quantum physics, this period fills up the 1s orbital. ... Its atomic 
mass is 1.00794 amu, making hydrogen the lightest element. ... element that 
heads the noble gas series in the periodic table and whose atomic number is 2. 
Its... [DOC] [TLE] Neutronium - Wikipedia [PAR] Neutronium (sometimes shortened to neutrium) is a proposed name for a 
substance composed ... of atomic number zero" that he placed at the head of the 
periodic table. ... a conjectured form of matter made up of neutrons with no 
protons or electrons, which ... This energy may be absorbed as the neutronium 
gas expands. [DOC] [TLE] Neon - Element information, properties and uses | Periodic Table [PAR] Element Neon (Ne), Group 18, Atomic Number 10, p-block, Mass 20.180. 
Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and 
images. [DOC] [TLE] Dmitri Mendeleev: Everything you need to know about the inventor ... [PAR] Feb 8, 2016 ... You may have learned the periodic table of elements during ... Each element 
within the periodic table contains its atomic number, ... on their type; noble gases, 
alkali metals, solid, liquid, gas etc. ... Legend has it that Mendeleev came up with 
the idea for his famous periodic table after .... 24 Oct 2016, 1:19pm... [DOC] [TLE] Nitrogen - Wikipedia [PAR] Nitrogen is a chemical element with symbol N and atomic number 7. It is the 
lightest pnictogen, ... Standard atomic weight (Ar), 14.007 (14.0064314.00728) 
... Apart from its use in fertilizers and energy-stores, nitrogen is a constituent of 
organic ... Nitrogen gas was inert enough that Antoine Lavoisier referred to it as "
mephitic... [DOC] [TLE] Gallium - Element information, properties and uses | Periodic Table [PAR] Element Gallium (Ga), Group 13, Atomic Number 31, p-block, Mass 69.723. 
Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and... [DOC] [TLE] Lawrencium - Element information, properties and uses | Periodic ... [PAR] Element Lawrencium (Lr), Group 20, Atomic Number 103, f-block, Mass [262]. 
Sources, facts, uses ... Lawrencium Element - Visual Elements Periodic Table... [DOC] [TLE] The Periodic Table of Elements by Eric Kim on Prezi [PAR] Dec

Question: With 1 as its atomic number, this gas heads up the periodic table
Answer: hydrogen