Question | Answer |
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- |