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