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