A) 14.28g/cm3 B) 0.014 g/cm3 C) 14,000 g/cm3 D) 0.014g
A) somewhat spread apart with little movement B) very close together and freely moving C) very far apart and feely moving D) somewhat spread apart with almost not movement
A) atom with different number of protons B) atom with different number of neutrons C) atom with different number of energy levels D) atom with different number of electrons
A) 4d B) 3d C) 5s D) 4p
A) S B) Na C) Si
A) magnesium B) aluminum C) nitrogen D) oxygen
A) 2.05atoms B) 2.05x1024atoms C) 0.56x10-24atoms D) 18.3atoms
A) 0.37mol B) 2.70mol C) 36.4x1023 mol D) 185.92mol
A) 117grams B) 222grams C) 24.67grams D) 0.041grams
A) Al2Cl B) Al2Cl3 C) AlCl2 D) AlCl3
A) decomposition B) composition C) single-replacement D) combustion
A) single-replacement B) double-replacement C) combustion D) composition
A) 3,__,__,3 B) __,3,__,3 C) balanced D) __,3,3,__
A) products B) coefficients C) subscripts D) reactants
A) 52.0grams B) 65.6grams C) 138.7grams D) 39.6grams
A) Li=+2 O=-2 B) Li=+2 O=-1 C) Li=+1 O=-2 D) Li=+1 O=-1
A) 76 amu B) 76 g/mol C) 120 amu D) 120 g/mol
A) 20% B) 2% C) 11% D) 89%
A) 74 g/mol B) 36 g/mol C) 36 amu D) 74 amu
A) double-displacement B) decomposition C) single-displacement D) synthesis E) combustion
A) single-displacement B) synthesis C) decompostion D) combustion E) double-displacement
A) combustion B) single-displacement C) double-displacement D) synthesis E) decompostion
A) combustion B) decomposition C) single-displacement D) double-displacement E) synthesis
A) decomposition B) double-displacement C) synthesis D) single-displacement E) combustion
A) oC B) L C) K D) atm
A) torr B) atm C) K D) L
A) 395cm3 B) 0.047cm3 C) 13976cm3 D) 0.001cm3
A) 706mmHg B) 1200mmHg C) 1071mmHg D) 805mmHg
A) 303K B) 855K C) 581K D) 105.3K
A) 206K B) 421K C) 500K D) 352K
A) 32atm B) 15atm C) 49atm D) 18.9atm
A) Multiply by 273 B) Add 273 C) Divide by 273 D) Subtract 273
A) All of these B) 1atm C) 101.325kPa D) 760 torr
A) Two of the above B) L C) K D) oC
A) experimentation B) communicating results C) organizing data D) research
A) music B) sunlight C) water D) growth
A) music B) sunlight C) growth D) water
A) 860 B) 86000 C) 0.86 D) 8.6
A) heterogeneous mixture B) element C) compound D) homegeneous mixture
A) two of these B) air C) hydrogen D) salt water
A) maintain seperate identities B) none of these C) are hard to pick out D) combine to form new substances
A) physical property B) chemical property
A) chemical property B) physical property
A) physical change B) chemical change
A) physical change B) chemical change
A) alkali metals B) transition metals C) noble gases D) halogens
A) by atomic number B) by date of discovery C) by atomic mass D) alphabetically
A) Rutherford B) Thomson C) Millikan
A) Millikan B) Thomson C) Rutherford
A) 8 B) 6 C) 9 D) 7
A) it depends on the mass B) 6.02x1023 C) Not enough information
A) 1s12s12p6 B) 1s22s22p5 C) 1s12s22p5 D) 1s22s22p6
A) [Kr]5s2 B) [Ar] 4s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar]5s2
A) increases B) decreases
A) increases B) decreases
A) 12 B) 3 C) 4 D) 6
A) ionic B) metallic C) covalent D) special
A) metallic B) ionic C) special D) covalent
A) MgS4 B) MgS2 C) MgS D) Mg2S
A) CCl3 B) CCl4 C) CCl D) CCl2
A) iron dichloride B) iron chloride C) iron (IV) chloride D) iron (II) chloride
A) trinitrogen hexachloride B) nitrogen chloride C) nitrogen (III)chloride D) nitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) charge B) how much it weighs C) nothing D) number of atoms
A) groups 1A,2A,3A and 4A B) two of these C) transition metals D) 4A
A) __,__,__,__ B) __,3,3,__ C) 3,__,__,3 D) __,3,__,3
A) __,2,__,2 B) __,__,__,__ C) __2,2,__ D) 2,__,2,__
A) coefficients B) dividers C) subscripts D) multipliers
A) metalloids B) nonmetals C) metals
A) total protons B) total neutrons C) valence electrons D) total electrons
A) CrCl2 B) Cr2Cl C) CrCl D) Cr2Cl2
A) HF B) HCl C) NaOH D) NaCl
A) 0g B) 25 C) 12.5g D) 50
A) bases B) acids C) neutral
A) ... B) ... C) Ms. Watson |