Unit 2 Test Review
Quiz by Alyssa Key
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21 questions
Show answers
- Q1What charge do cations have?dependspositiveneutralnegative30sEditDelete
- Q2What charge do anions have?positivenegativedependsneutral30sEditDelete
- Q3What is the net charge of an ionic bond?neutralpositivedependsnegative30sEditDelete
- Q4Which group of elements does not participate in chemical bonding?alkaline earth metalsalkali metalsnon-metalsnoble gases30sEditDelete
- Q5When given a chemical formula, what can determine the type of bond?classification of elementsCoefficientsNumber of valence electronsSubscripts30sEditDelete
- Q6How many atoms are in 2NaF421330sEditDelete
- Q7When an atom gains an electron it becomes _____positivenegativeneutralcharge doesn't change30sEditDelete
- Q8What does the oxidation number describe?The classification of the elementType of bondThe number of protons neededThe charge of the ion30sEditDelete
- Q9A chemical formula can tell you all of the following, exceptelements involvedtype of reactionratio of elementstype of bond30sEditDelete
- Q10Coefficients can not be changed when balancing equations.FalseTrue30sEditDelete
- Q11Subscripts can not be changed when balancing chemical equationsTrueFalse30sEditDelete
- Q12What classification of elements make an ionic bond?non-metal & non-metalmetal & non-metalall are falsemetal & metal30sEditDelete
- Q13What classification of elements make a covalent bond?all are falsemetal & metalnon-metal & non-metalmetal & non-metal30sEditDelete
- Q14Where are coefficients located in an equation?before the element or compoundon the product side onlyon the reactant side onlyafter the element or compound30sEditDelete
- Q15(aq) stands for ______aqueousgassolidliquid30sEditDelete
- Q16What does aqueous mean?warm liquidpure waterdissolved in waterbetween liquid and gas phase30sEditDelete
- Q17A + X --> AXsynthesis reactiondecomposition reactionsingle replacement reactiondouble replacement reaction30sEditDelete
- Q18AB + C --> AC + Bsingle replacement reactiondouble replacement reactionsynthesisdecomposition30sEditDelete
- Q19What type of reaction releases heat?synthesisendothermicnon polar covalentexothermic30sEditDelete
- Q20What type of reaction absorbs heat?endothermicexothermicdecompositioncombustion30sEditDelete