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