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