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