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Teacher: Das Thamattoor
Across
Gases tend to do this if their containers are opened.
Compounds containing double and triple bonds.
This element is named after the daughter of Tantalus.
The bond in HCl is __________
The shape of methane.
When sodium reacts with chlorine it forms _______
This is the most electronegative atom.
This branch of chemistry is devoted to carbon-based compounds.
These structures are simply different ways of representing the same molecule or ion.
This was the force believed to be essential to make compounds in living things.
Who or what is element number 87 named after?
Down
The conventional periodic table is arranged according to atomic ________
Carbon, hydrogen, oxygen, and phosphorus, as used in karate.
The total number of available valence electrons in HCN is_______
He devised a scale for electronegativity.
All noble gases (except helium) have an __________of electrons in their outermost shell.
He discovered the electron.
A negatively charged ion is called _________
He devised a system for drawing covalent compounds.
Regions of space where there are high probabilities of finding electrons in an atom.
Columns in a periodic table.
This and bromine are the only two liquids in the periodic table (at normal temperatures).