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