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