A) 14.28g/cm3 B) 14,000 g/cm3 C) 0.014g D) 0.014 g/cm3
A) somewhat spread apart with little movement B) somewhat spread apart with almost not movement C) very close together and freely moving D) very far apart and feely moving
A) atom with different number of neutrons B) atom with different number of protons C) atom with different number of energy levels D) atom with different number of electrons
A) 5s B) 4p C) 3d D) 4d
A) Si B) Na C) S
A) magnesium B) oxygen C) nitrogen D) aluminum
A) 2.05x1024atoms B) 2.05atoms C) 18.3atoms D) 0.56x10-24atoms
A) 36.4x1023 mol B) 2.70mol C) 0.37mol D) 185.92mol
A) 222grams B) 24.67grams C) 0.041grams D) 117grams
A) AlCl3 B) Al2Cl3 C) Al2Cl D) AlCl2
A) single-replacement B) decomposition C) composition D) combustion
A) composition B) combustion C) double-replacement D) single-replacement
A) __,3,__,3 B) 3,__,__,3 C) balanced D) __,3,3,__
A) reactants B) products C) coefficients D) subscripts
A) 65.6grams B) 52.0grams C) 39.6grams D) 138.7grams
A) Li=+2 O=-1 B) Li=+1 O=-2 C) Li=+2 O=-2 D) Li=+1 O=-1
A) 120 amu B) 76 g/mol C) 120 g/mol D) 76 amu
A) 11% B) 20% C) 2% D) 89%
A) 36 g/mol B) 36 amu C) 74 amu D) 74 g/mol
A) single-displacement B) synthesis C) combustion D) double-displacement E) decomposition
A) combustion B) single-displacement C) decompostion D) double-displacement E) synthesis
A) decompostion B) single-displacement C) combustion D) double-displacement E) synthesis
A) synthesis B) decomposition C) single-displacement D) double-displacement E) combustion
A) decomposition B) synthesis C) combustion D) single-displacement E) double-displacement
A) atm B) oC C) L D) K
A) atm B) torr C) K D) L
A) 395cm3 B) 0.001cm3 C) 13976cm3 D) 0.047cm3
A) 1071mmHg B) 805mmHg C) 706mmHg D) 1200mmHg
A) 303K B) 855K C) 105.3K D) 581K
A) 352K B) 421K C) 500K D) 206K
A) 15atm B) 18.9atm C) 32atm D) 49atm
A) Multiply by 273 B) Divide by 273 C) Subtract 273 D) Add 273
A) All of these B) 101.325kPa C) 760 torr D) 1atm
A) L B) oC C) Two of the above D) K
A) experimentation B) organizing data C) research D) communicating results
A) growth B) water C) sunlight D) music
A) growth B) sunlight C) water D) music
A) 0.86 B) 860 C) 8.6 D) 86000
A) element B) homegeneous mixture C) compound D) heterogeneous mixture
A) two of these B) air C) hydrogen D) salt water
A) are hard to pick out B) none of these C) combine to form new substances D) maintain seperate identities
A) physical property B) chemical property
A) chemical property B) physical property
A) physical change B) chemical change
A) physical change B) chemical change
A) alkali metals B) halogens C) noble gases D) transition metals
A) alphabetically B) by date of discovery C) by atomic mass D) by atomic number
A) Rutherford B) Thomson C) Millikan
A) Thomson B) Millikan C) Rutherford
A) 7 B) 9 C) 8 D) 6
A) 6.02x1023 B) Not enough information C) it depends on the mass
A) 1s22s22p5 B) 1s12s22p5 C) 1s22s22p6 D) 1s12s12p6
A) [Ar]5s2 B) [Ar] 4s2 C) [Kr]5s2 D) [Kr]1s22s22p63s23p64s23d104p65s2
A) decreases B) increases
A) increases B) decreases
A) 12 B) 4 C) 6 D) 3
A) special B) covalent C) metallic D) ionic
A) ionic B) covalent C) special D) metallic
A) MgS4 B) MgS C) Mg2S D) MgS2
A) CCl3 B) CCl C) CCl2 D) CCl4
A) iron chloride B) iron (II) chloride C) iron (IV) chloride D) iron dichloride
A) nitrogen (III)chloride B) trinitrogen hexachloride C) nitrogen chloride D) nitrogen hexachloride
A) shares electrons B) donates/accepts 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) __,__,__,__ B) __,3,__,3 C) 3,__,__,3 D) __,3,3,__
A) __2,2,__ B) 2,__,2,__ C) __,__,__,__ D) __,2,__,2
A) dividers B) subscripts C) multipliers D) coefficients
A) metals B) metalloids C) nonmetals
A) total neutrons B) total electrons C) valence electrons D) total protons
A) Cr2Cl B) CrCl C) CrCl2 D) Cr2Cl2
A) HF B) NaCl C) HCl D) NaOH
A) 12.5g B) 50 C) 0g D) 25
A) acids B) bases C) neutral
A) ... B) ... C) Ms. Watson |