Ch 7 Clicker Review Cations are formed when neutral A atoms lose electrons B atoms gain electrons C atoms gain protons D atoms lose neutrons The formula for magnesium oxide is A MgO B Mg 2 ID: 769114
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Ch. 7 Clicker Review
Cations are formed when neutral A. atoms lose electrons B. atoms gain electrons C. atoms gain protonsD. atoms lose neutrons ☺
The formula for magnesium oxide is A. MgO B. Mg 2OC. MgO2 D. Mg2O2 ☺
Valence electrons are found in the _____ energy level of an atom. A. innermost B. weakest C. outermostD. lowest ☺
Which element has one less valence electron than Carbon? A. Be B. N C. SiD. B ☺
Which atom or ion has the electron configuration of a noble gas? A. Mg 1+ B. CuC. SD. Ca 2+☺
The formula for Lithium Oxide would be A. LiO B. LiO2 C. Li 2O2 D. Li2O ☺
Which element has three valence electrons? A. Al B. Si C. GeD. S ☺
Which element would be used to write the noble gas configuration of Aluminum? A. He B. Ne C. Kr D. Ar☺
The correct formula for Calcium Nitride would be A. Ca 3 N 2 B. Ca2N3 C. CaND. Ca2N2☺
Electrons are __, neutrons are __ and protons are __ A. positive, negative, neutral B. negative, positive, neutral C. positive, neutral, negativeD. negative, neutral, positive ☺
Which is the correct electron dot structure for Nitrogen? A. B. C.D. ☺
What is the correct electron dot structure for the oxygen ion A. B. C.D. ☺
What is modeled as a sea of electrons? A. valence electrons in non metals B. valence electrons in gases C. valence electrons in solidsD. valence electrons is metals ☺
What is the electron configuration of Cl - ? A. 1s 22s22p63s23p6 B. 1s22s22p63s23d6 C. 1s22s22p63s24p6 D. 1s22s22p63s23p5 ☺
An oxygen ion has the same number of electrons as a neutral atom of A. He B. Ne C. Ar D. Kr☺
A(n) ______ has superior properties to the metals they are composed of. A. alkali metal B. alloy C. alkaline earth metal D. noble gas☺
The ______of an ion is equal to the sum of the positive charge of each proton and the negative charge of each electron. A. mass B. energy C. charge D. electronegativity☺
_______ are formed when neutral atoms gain electrons. A. anions B. cations C. atomsD. metals ☺
Ionic compounds when dissolved in water ___ A. melt B. conduct electricity C. heat upD. cool down ☺
How many electrons does the copper ion have when it forms the ionic compound CuCl 2 ? A. 29 B. 28C. 27D. 26☺
What kind of bond involves the transfer of electrons? A. covalent B. ionic C. complexD. metallic ☺
An atom with an electron configuration of 1s 2 2s 22p63s23p 2 is most likely to form an ion that has a charge of A. 2+B. 4+C. 3-D. 2-☺
The Ca2+ ion contains __ electrons. A. 20 B. 19 C. 18 D. 17☺
An ion that has 9 protons and 10 electrons is A. Ne + B. F+ C. Ne-D. F-☺
Cations are __ and Anions are ___ A. negative, positive B. positive, negative C. neutral, negativeD. positive,neutral ☺
Representative elements lose or gain electrons to gain the ___ of a noble gas. A. electronegativity B. ionization energy C. atomic radius D. electron configuration☺
__ play a necessary function in chemical reactions called bonding. A. protons B. electrons C. neutronsD. alpha particles ☺
Ch. 8 Clicker Review
Transferring of electrons between atoms would describe a(n) A. splitting bond B. ionic bond C. covalent bond D. molecular bond☺
Intermolecular forces are ___ than ionic or covalent bonds A. stronger B. weaker C. narrower D. shorter☺
When a metal and a nonmetal form a bond you would expect what type of bond? A. ionic B. covalent C. metallic D. molecular☺
Dipole interactions are weak attractions between A. non polar molecules B. ions C. neutrons D. polar molecules☺
When two nonmetals form a bond, you would expect A. transfer of electrons for a covalent bond B. sharing of electrons for an ionic bond C. sharing of electrons for a covalent bond D. transfer of electrons for an ionic bond☺
Electrons can be lost, shared or ____ during bonding processes. A. gained B. demoted C. emitted D. spun off☺
Which of the following would contain an ionic bond? A. HCl B. MgCl 2 C. N2D. SiH4☺
What is the shape of NH 3 ? A. bent B. trigonal planarC. tetrahedralD. pyramidal☺
What is the shape of H 2 O? A. Bent B. LinearC. trigonal planarD. pyramidal☺
What is the shape of CH 4 ? A. pyramidal B. tetrahedralC. trigonal planarD. bent☺
What is the shape of SiO 2 ? A. Linear B. BentC. trigonal planarD. pyramidal☺
Which element will form a covalent bond with oxygen? A. neon B. phosphorus C. potassium D. magnesium☺
Ionic compounds generally have __ melting points than covalent compounds? A. lower B. higher C. less predictable D. less consistant☺
Van der Waals forces include A. dipole interactions only B. dipole interactions and dispersion forces only C. dipole interactions and hydrogen bonding only D. hydrogen bonding and dispersion forces only☺
When nitrogen triple bonds with another nitrogen atom, there are/is A. no lone pairs of electrons on either nitrogen atom B. two lone pairs of electrons on each nitrogen atom C. one lone pair of electrons on each nitrogen atom D. one lone pair of electrons on only one of the nitrogen atoms☺
What types of bonds can be found in a solid sample of H 2 S? A. covalent bonding only B. both ionic and covalent bondingC. hydrogen bonding onlyD. both covalent and hydrogen bonding☺
Which structure is nonpolar? A. B. C. D.☺
Which element does not naturally occur as a diatomic molecule? A. H B. Br C. N D. C☺
The reason a water skimmer/strider can walk on water is because of A. dispersion forces B. hydrogen bonds C. electric fields D. van der Waals forces☺
What is the shape of SiO 3 2-? A. trigonal planarB. bentC. pyramidalD. tetrahedral☺
Hydrogen bonding always involves A. non polar molecules B. hydrogen C. neutrons D. dispersion forces☺
Which of the following would be nonpolar? A NF 3 B. H 2SeC. SiH4D. H2S☺
What type of bonds are in ethanol? A. ionic B. nuclear C. metallic D. covalent☺
Which of the following would be polar? A. He B. N 2 C. SiO2D. SeO2☺
The lewis dot structure for a molecule of SiO 32- would have A. 3 single bondsB. 2 single bonds and two double bondsC. 1 single bonds and two double bondsD. 2 single bonds and 1 double bond☺
What type of bond forms in N 2 , Br 2 and O2 A. an ionic bond formed by the gain of electronsB. a covalent bond formed by the sharing of electronsC. a metallic bond formed by the transfer of electronsD. a nuclear bond formed by the sharing of electrons☺
If all of the electrons are distributed ____ in a molecule, the molecule is non-polar. A. equally B. within p orbitals C. unequally D. randomly☺
Hydrogen bonding is the ___ intermolecular force A. evasive B. strongest C. least polarD. weakest☺
Which compound would have a covalent bond? A. CaBr 2 B. KClC. POD. NaBr☺
This shows the formation of a _____ bond. A. non polar covalent B. polar covalent C. metallic D. non polar ionic☺
How many bonds are shown in the structural formula below? A. 1 covalent, 8 ionic B. one double covalent, 8 ionic C. 8 double covalent, 1 single covalent D. 1 double covalent, 8 single covalent☺
When a molecule is polar, it behaves as if one end of the molecule is ___ and the other end of the molecule is ___. A. negative, positive B. magnetic, nonmagnetic C. ionic, nonionic D. neutral, positive☺
Ch. 9 Clicker review
What is the correct name for CrSO 4 ? A. Chromium (I) sulfate B. Chromium (II) sulfateC. Chromium (III) sulfateD. Chromium (IV) sulfate☺
What is the correct formula for copper(II)bromide? A. CuBr 2 B. Cu 2 Br 2 C. Cu 2 Br D. CuBr ☺
What is the correct name for (NH 4 ) 3PO4? A. Ammonium (I) phosphateB. Ammonium phosphateC. Ammonium (II) phosphateD. Ammonium (IV) phosphate☺
What is the correct formula for diphosphorus pentoxide? A. P 2 O 2 B. P 5 O 2 C. P 2 O 5 D. PO 5 ☺
What is the name of NH 3? Other than “ammonia”… A. mononitrogen hydrideB. mononitrogen trihydrideC. nitrogen(III) hydrideD. Nitrogen trihydride☺
What is the name of SiO 2? A. silicon dioxideB. monosilicon oxideC. silicon(IV) oxideD. silicon monoxide☺
What is the name of H 2O? Other than “water”… A. dihydrogen monoxideB. hydrogen monoxideC. hydroxic acidD. dihyrdogen oxide☺
What is the name of CH 4? Other than methane… A. pyramidalB. carbon tetrahydrideC. trigonal planarD. bent☺
What is the name of BF 3? A. boron trifluorideB. monoboron trifluorideC. boron(III) fluorideD. boron fluoride☺
What does the roman numeral mean in copper(II)bromide? A. number of molecules B. number of atoms C. number of valence electrons D. charge on the ion☺☺
What is the correct name for Ca(NO 3 ) 2 A. Calcium dinitrateB. Calcium(II) nitrateC. Calcium nitrateD. Calcium(II) dinitrate☺
What is the correct name for MgCO 3 A. Magnesium carbonate B. Magnesium(II) carbonate C. Magnesium carbonateD. Magnesium (II) carbonate☺
What is the correct name for MnBr 3 ? A. Manganese(I) bromide(III) B. Manganese(III) bromide(III)C. Manganese bromide (III)D. Manganese(III) bromide☺
What is the? correct name for Fe 3 P 2? A. Iron (III) phosphideB. Iron (II) phosphideC. Iron phosphideD. Iron (II) phosphide(III)☺
What is the correct formula containing magnesium and carbonate? A. MgCO 3 B. Mg 2CO3C. Mg(II)CO3 D. Mg3CO3 ☺
What is the name for Fe(OH) 3 ? A. Iron hydroxide B. Iron trihyroxideC. Iron (II) hydroxideD. Iron (III) hydroxide☺
What is the formula for silver nitrate? A. Ag 3 NO 3 B. Ag2NO3 C. Ag(I)NO3D. AgNO3 ☺
What is the name of Cd(CO 3 ) 2? A. Cadmium(I) carbonateB. Cadmium(II) carbonateC. Cadmium(III) carbonateD. Cadmium carbonate☺
What is the name of Zn(OH) 2 ? A. Zinc (I) hydroxide B. Zinc(II) hydroxideC. Zinc(III) hydroxideD. Zinc hydroxide☺
What is the name of NH 4 NO 3? A. Ammonium nitrateB. Nitrogen hydrogen nitrateC. Nitrogen hydroxideD. Ammonium nitride☺
The 3 in NH 4 NO 3is a(n) A. coefficientB. subscriptC. oxidation numberD. exponent☺
What element has the same electron dot structure as boron? Carbon Nitrogen OxygenAluminum☺
Which of the following most likely has an ionic bond? A. H 2 B. MgCl 2C. SO2D. CH4☺
Which of the following most likely has an covalent bond? A. AlN B. KClC. CaOD. CO☺
When ionic compounds are named, the name of the anion (if it’s not polyatomic!) will be A. – ite B. –ide C. –icD. -ate☺
Which particles are lost, shared or gained when bonding? A. protons B. electrons C. neutrons D. alpha particles☺
In most cases, how many valence electrons are needed for stability? A. 2 B. 4 C. 6 D. 8☺
Which noble gas has an electron configuration that is stable with only two electrons? A. H B. He C. ArD. Kr☺
When hydrogen bonds covalently with fluorine, hydrogen shares ___ pair(s) of electrons. A. 1 B. 2 C. 3 D. 4☺
Ionic bonds occur between cations and ___ A. hydrogen ions B. anions C. polar molecules D. coordinate covalent bonds☺
9.4 and 9.5 Review
Name HF A. hydrogen fluoride B. hydrogen trifluorideC. hydric acidD. hydrofluoric acid ☺
Name H2S A. hydrosulfuric acidB. dihydrogen sulfideC. hydro(II) sulfuric acidD. sulfurous acid ☺
Name H2SO4 A. Sulfous acidB. hydrosulfuric acidC. Sulfuric acidD. hydrosulfic acid☺
Name HNO2 A. hydronitrite B. Nitrous acidC. hydronitrite acidD. hydronitrate☺
What is the formula for Nitric acid? A. HNO 2 B. H2NO3C. H2NO D. HNO3 ☺
What is the formula for sulfurous acid? A. H 2 SO3B. H2SO4C. HSO 3D. H2S☺
What is the formula for Carbonic acid? A. H 2 SO3B. H2CO3 C. H2CO2D. HCO3☺
What is the formula for phosphoric acid? A. H 3 PO4 B. HPO3C. H3PO 2D. HPO2☺
What is the formula for hydrochloric acid? A. H 2 Cl2B. HCl2C. H2Cl D. HCl☺
What is the formula for sodium hydroxide? A. Na 2 (OH)2B. Na(OH)2C. NaOHD. Na 2OH☺
What is the formula for Iron(II) hydroxide? A. Fe(OH) 2 B. Fe2(OH)2C. FeOH D. Fe(OH)3☺
What is the name of Mg(OH)2? A. Magnesium(II) hydroxide B. Magnesium (I) hydroxide C. Magnesic acidD. Magnesium hydroxide ☺
What is the name of Zn(OH)2? A. Zinc hydroxide B. Zinc(II) hydroxide C. Zinc (I) hydroxideD. Zincic acid ☺
What is the name of Mn(OH)3 ? A. Manganese hydroxide B. Manganese (I) hydroxideC. Manganese(III) hydroxideD. Manganic acid ☺
Which law states that in samples of any chemical compound, the masses of the elements are always in the same proportions. A. Law of multiple proportions B. Law of definite proportions C. Law of conservation of energy D. Law of entropy☺
Which law states w henever the same two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers. A. The Law of Multiple Proportions B. The Law of Definite ProportionsC. The Law of Conservation of MatterD. Dalton’s Atomic Law☺