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