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- 1. Multiple Choice
Some elements combine chemically and no longer have the same ________________ they did before forming a compound.valence electonsenergypropertiesgroup number - 2. Multiple ChoiceA _________________ is composed of symbols and subscripts indicating the number of atoms of an element in a compound.Chemical EquationChemical ReactionSynthesis ReactionChemical Notation
- 3. Multiple ChoiceAtoms form compounds when the compound is more ______________ than the separate atoms. Noble gases are more _________than other elements because they have a complete outer energy level.reactivestableexplosivetoxic
- 4. Multiple ChoiceElements that do not have full outer energy levels are more stable in __________________.bondsformulasreactionscompounds
- 5. Multiple ChoiceAtoms gain lose, gain, or ______electrons to get a stable outer energy level.sharesplitcreatedestroy
- 6. Multiple ChoiceA ____________is the force that holds atoms together in a compound.Chemical FormulaChemical ReactionChemical BondSynthesis Reaction
- 7. Multiple ChoiceA _______ is a charged particle because it has more or fewer electrons than protons. When an atom _____ an electron, it becomes a positively charged ion. When an atom ____an electron, it becomes a negatively charged ion.isotope, gains, losesisotope, loses, gainsion, loses, gainsion, gains, loses
- 8. Multiple ChoiceAn ionic compound is held together by the _______--the force of attraction between opposite charges of the atoms.Covalent BondIonic BondSynthetic BondMolecular Bond
- 9. Multiple ChoiceThe result of this bond is a _________compound.neutralpolarpositively chargednegatively charged
- 10. Multiple ChoiceThe sum of the charges on the ions in a unit of the compound is ___________.positivenegativezero±1
- 11. Multiple Choice__________are neutral particles formed as result of sharing electrons.ProtonsElectronsMoleculesIons
- 12. Multiple ChoiceA ________is the force of attraction between atoms sharing electrons.Synthetic BondIonic BondMolecular BondCovalent Bond
- 13. Multiple ChoiceAtoms can form double or triple ______depending on whether they share two or three pairs of electrons.MoleculesBondsCompoundsElements
- 14. Multiple ChoiceElectrons shared in a molecule are held ________to the atoms with the larger nucleus.more closelyrelativeadjacentnext
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