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