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