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