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