A) 14,000 g/cm3 B) 0.014 g/cm3 C) 0.014g D) 14.28g/cm3
A) somewhat spread apart with little movement B) very far apart and feely moving C) very close together and freely moving 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) 4d B) 3d C) 4p D) 5s
A) Na B) Si C) S
A) magnesium B) aluminum C) oxygen D) nitrogen
A) 2.05atoms B) 18.3atoms C) 2.05x1024atoms D) 0.56x10-24atoms
A) 185.92mol B) 36.4x1023 mol C) 0.37mol D) 2.70mol
A) 24.67grams B) 117grams C) 0.041grams D) 222grams
A) Al2Cl B) AlCl3 C) AlCl2 D) Al2Cl3
A) composition B) single-replacement C) decomposition D) combustion
A) double-replacement B) composition C) combustion D) single-replacement
A) __,3,__,3 B) 3,__,__,3 C) balanced D) __,3,3,__
A) coefficients B) reactants C) subscripts D) products
A) 52.0grams B) 138.7grams C) 39.6grams D) 65.6grams
A) Li=+1 O=-1 B) Li=+2 O=-2 C) Li=+1 O=-2 D) Li=+2 O=-1
A) 120 g/mol B) 76 amu C) 76 g/mol D) 120 amu
A) 11% B) 89% C) 20% D) 2%
A) 36 amu B) 74 amu C) 74 g/mol D) 36 g/mol
A) single-displacement B) decomposition C) combustion D) double-displacement E) synthesis
A) double-displacement B) decompostion C) synthesis D) combustion E) single-displacement
A) synthesis B) decompostion C) combustion D) double-displacement E) single-displacement
A) double-displacement B) single-displacement C) synthesis D) decomposition E) combustion
A) decomposition B) synthesis C) single-displacement D) combustion E) double-displacement
A) oC B) L C) atm D) K
A) torr B) K C) atm D) L
A) 395cm3 B) 13976cm3 C) 0.047cm3 D) 0.001cm3
A) 1071mmHg B) 805mmHg C) 706mmHg D) 1200mmHg
A) 855K B) 581K C) 105.3K D) 303K
A) 352K B) 206K C) 500K D) 421K
A) 49atm B) 32atm C) 15atm D) 18.9atm
A) Divide by 273 B) Multiply by 273 C) Subtract 273 D) Add 273
A) 1atm B) 760 torr C) 101.325kPa D) All of these
A) oC B) L C) K D) Two of the above
A) communicating results B) organizing data C) experimentation D) research
A) sunlight B) growth C) music D) water
A) water B) growth C) sunlight D) music
A) 8.6 B) 86000 C) 860 D) 0.86
A) compound B) element C) heterogeneous mixture D) homegeneous mixture
A) two of these B) hydrogen C) salt water D) air
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) physical change B) chemical change
A) physical change B) chemical change
A) noble gases B) halogens C) alkali metals D) transition metals
A) by atomic number B) by atomic mass C) alphabetically D) by date of discovery
A) Millikan B) Thomson C) Rutherford
A) Thomson B) Rutherford C) Millikan
A) 6 B) 9 C) 8 D) 7
A) it depends on the mass B) Not enough information C) 6.02x1023
A) 1s22s22p6 B) 1s22s22p5 C) 1s12s12p6 D) 1s12s22p5
A) [Kr]5s2 B) [Ar] 4s2 C) [Kr]1s22s22p63s23p64s23d104p65s2 D) [Ar]5s2
A) increases B) decreases
A) decreases B) increases
A) 4 B) 6 C) 12 D) 3
A) ionic B) metallic C) covalent D) special
A) metallic B) special C) ionic D) covalent
A) Mg2S B) MgS2 C) MgS4 D) MgS
A) CCl B) CCl4 C) CCl3 D) CCl2
A) iron (IV) chloride B) iron chloride C) iron (II) chloride D) iron dichloride
A) nitrogen chloride B) nitrogen hexachloride C) trinitrogen hexachloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) nothing B) number of atoms C) charge D) how much it weighs
A) groups 1A,2A,3A and 4A B) transition metals C) two of these D) 4A
A) __,3,3,__ B) 3,__,__,3 C) __,3,__,3 D) __,__,__,__
A) __,__,__,__ B) __2,2,__ C) __,2,__,2 D) 2,__,2,__
A) subscripts B) dividers C) coefficients D) multipliers
A) metalloids B) nonmetals C) metals
A) total protons B) total neutrons C) valence electrons D) total electrons
A) Cr2Cl2 B) CrCl C) CrCl2 D) Cr2Cl
A) HF B) HCl C) NaOH D) NaCl
A) 12.5g B) 25 C) 0g D) 50
A) neutral B) acids C) bases
A) Ms. Watson B) ... C) ... |