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- 1. Multiple ChoiceHow many electrons are shared in a single covalent bond?2468
- 2. Multiple ChoiceIs Hydrogen considered a metal or a non-metal?MetalNon-metal
- 3. Multiple ChoiceIn chemical compounds, covalent bonds form whenthe electronegativity difference between two atoms is very large.electrons are completely transferred between two metals.pairs of electrons are shared between two nonmetal atoms.two nonmetal atoms are attracted to each other by opposite charges.
- 4. Multiple ChoiceA molecule with a double covalent bond is....HClSOI2N2
- 5. Multiple ChoiceHow are covalent bonds explained?When one atom takes the other atom's electronWhen the atom shares an electron with an another atomWhen the two nucleus mergeWhen the neutrons leave the nucleus
- 6. Multiple ChoiceHow many electrons are shared in a triple covalent bond?3456
- 7. Multiple ChoiceWhich three nonmetals exist only as diatomic molecules?H, C, BrN, O, SI, F, NH, O, P
- 8. Multiple ChoiceWhy do atoms share electrons?To attain the electron configuration of a noble gas.To become ions and take a charge.To increase the mass of the atoms.It's a nice thing to do.
- 9. Multiple ChoiceWhat two types of atoms make a covalent bond?2 Nonmetals1 Nonmetal and 1 Metal2 Metals2 Noble Gases
- 10. Multiple ChoiceAre the atoms more stable when they are bonded together or when they are apart?Bonded TogetherApart
- 11. Multiple ChoiceWhich element forms a diatomic molecule using a triple covalent bond?CNOP
- 12. Multiple ChoiceWhat region of the periodic table contains atoms that form covalent bonds?the left sidethe middlethe right sidetop left
- 13. Multiple ChoiceCO, carbon monoxide, obeys the octet rule using a coordinate covalent bond. What is a coordinate covalent bond?both bonding electrons come from one atoma very strong bondone electron serves as its own pairCO is an exception to the octet rule
- 14. Multiple ChoiceHow many bonds does carbon have to create in order to satisfy the octet rule?1234
- 15. Multiple ChoiceWhat is a polar molecule?One that has a partial negative charge on one end and a partial positive on the othera molecule with little vibrationan ionic compoundthe nonpolar bonds are arranged sequentially
- 16. Multiple Choice
For the structural formula shown, what is the chemical formula?NON2O2NO2N2O - 17. Multiple ChoiceWhat molecule is this?COCO2C2OC2O2
- 18. Multiple ChoiceThe molecule shown has been called "laughing gas" and has been used in dentistry as a pain killer. What is its chemical name?Nitrogen oxidedinitrogen dioxidedinitrogen oxidenitrogen dioxide
- 19. Multiple ChoiceWhat causes water to have such unique properties?coordinate covalent electronsinteractions between the molecular orbitalsrepulsive forces between unshared and shared electron pairselectrostatic forces between ions
- 20. Multiple ChoiceWhich bond would be the least polar?H-FH-OH-HH-Br
- 21. Multiple ChoiceWhich bond would be the most polar?H-IH-BrH-ClH-F
- 22. Multiple ChoiceWhat is the force that holds a molecule together?gravitya sea of electronsattraction between electron orbitalsthe strong nuclear force
- 23. Multiple ChoiceWhich compound below would be nonpolar?HFH2OBr2HBr
- 24. Multiple ChoiceWhat is the correct name for Mg(OH)2?Magnesium waterMagnesium OxyhydrideMagnesium Oxygen dihydrideMagnesium hydroxide
- 25. Multiple ChoiceWhat is the proper name for Cu2O?Copper oxidedicopper oxidecopper (II) oxidecopper (I) oxide
- 26. Multiple ChoiceWhat is the proper name for S2O2?Sulfur oxideSulfur dioxidesulfur (II) oxidedisulfur dioxide
- 27. Multiple ChoiceWhat does the (I) in chromium (I) selenide mean?each Cr atom in the molecule has a charge of +1there is only 1 chromium atom in this compoundthis is the first chromium compound formedthere is one selenium atom in each of these molecules
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