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