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