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