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