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Gilman Chemistry 1

The atoms in metals can be rearranged without breaking bonds because electrons swim freely around metal ion. Therefore, metals tend to be easily ______________. Reshaped
During a chemical change an atom gains an electron, what happens to the charge? It becomes negative
In covalently bonded compounds, what is the smallest particle that it can be divided into and still be the same compound? Molecule
What is the charge of an atom with an equal number of protons and electrons? Neutral or Zero
In atoms, how are electrons organized? Energy Levels
What is the charge of an ion with 11 protons and 10 electrons? 1+
When atoms bond, what do they gain, lose, or share? electrons
What is malleability? The property of metal which allows it to be hammered into very thin foil.
Elements within each group on the periodic table have the same __________________. Number of valence electrons
What bond is formed between positively charged metal ions and electrons that swim around them? Metallic Bonds
What kind of bond is formed when electrons are transferred from one atom to another? Ionic Bond
What part of an atom makes chemical bonds? Valence Electrons
What is the repeating three-dimensional pattern of ionic bonds called? Crystal Lattice
Why can metals bend without breaking? They contain constantly moving electrons.
What does a sodium atom become when it loses a single valence electron? Sodium Ion
What elements have a full outermost energy level and rarely from chemical bonds? Noble Gases
What are the charged particles formed when atoms gain or lose electrons? Ions
Helium has how many electrons in it's outermost energy level? 2 valence electrons
What bond occurs between atoms that do not easily lose electrons? Covalent Bonds
What is an interaction that holds two atoms together? A Chemical Bond
What is ductility? A properly of metal that means it can be drawn into wire.
How are valence electrons noted in an electron-dot diagram? evenly pictured around the chemical symbol. alone or in pairs.
What is a valence electron? Electron found in the outermost shell of an atom.
What determines atomic number? The number of protons in an atom.
In which type of bond does neither atom lose or gain an electron? Instead they share electrons. Covalent Bond
What compounds have low melting/boiling points and are brittle in their solid state? Covalent Compounds
An atom with _________ valence electrons will not normally form a chemical bond. Eight
What is chemical bonding? The joining of atoms to form a new substance.
What is the charge of an atom that loses an electron in an ionic bond? Positively Charged
What is the oxidation number of Calcium? 2+
What is the oxidation number of Cesium? 1+
What is the oxidation number of Phosphorus? 3-
What is the oxidation number of Aluminum? 3+
What is the oxidation number of Chlorine? 2-
Created by: ellist