C2 - The Periodic Table Flashcards
The Periodic Table Developed as Chemists tried to Classify the ____________.
Elements.
Who made the Most Accurate Periodic Table?
Mendeleev.
Chemical Elements are placed in Order of their Atomic (________) Number in the Periodic Table.
Proton.
The Group Number in the Periodic Table tells you the Number of ______________ in the Outermost Shell of an _____.
Electrons…Atom…
Atoms of Metals tend to _____ Electrons, whereas those of Non-Metals tend to Gain ____________.
Lose…Electrons…
What Group are the Noble Gases in?
Group 0.
The Noble Gases in Group 0 are Unreactive because of their Vary Stable ____________ Arrangements.
Electron.
Elements in Group 1 are ________ Metals.
Alkali.
Melting and Boiling Points ____________ going down the Group.
Decrease.
All Metals React with _______ to Produce ____________ and an Alkaline Solution containing the Metal Hydroxide.
Water…Hydrogen…
What are Group 7 Elements called?
Halogens.
What Two Properties do Halogens have?
Low Melting and Boiling Points, Poor Conductors of Heat.
A more Reactive Halogen will Replace a Less ___________ Halogen from Solutions of its Salts.
Reactive.
Halogens Form Ions with a Single ____________ Charge in their Ionic Compounds with _______.
Negative…Metals…
Halogens Form Covalent ____________ by sharing Electrons with other Non-Metals.
Compounds.