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