A) 0.014 g/cm3 B) 14,000 g/cm3 C) 0.014g D) 14.28g/cm3
A) somewhat spread apart with almost not movement B) very close together and freely moving C) somewhat spread apart with little movement D) very far apart and feely moving
A) atom with different number of neutrons B) atom with different number of electrons C) atom with different number of energy levels D) atom with different number of protons
A) 4d B) 3d C) 5s D) 4p
A) S B) Na C) Si
A) aluminum B) magnesium C) nitrogen D) oxygen
A) 18.3atoms B) 2.05x1024atoms C) 2.05atoms D) 0.56x10-24atoms
A) 185.92mol B) 36.4x1023 mol C) 2.70mol D) 0.37mol
A) 117grams B) 222grams C) 0.041grams D) 24.67grams
A) AlCl2 B) AlCl3 C) Al2Cl D) Al2Cl3
A) combustion B) composition C) decomposition D) single-replacement
A) composition B) single-replacement C) double-replacement D) combustion
A) __,3,__,3 B) 3,__,__,3 C) balanced D) __,3,3,__
A) reactants B) subscripts C) products D) coefficients
A) 65.6grams B) 138.7grams C) 39.6grams D) 52.0grams
A) Li=+2 O=-1 B) Li=+2 O=-2 C) Li=+1 O=-1 D) Li=+1 O=-2
A) 76 amu B) 120 amu C) 76 g/mol D) 120 g/mol
A) 20% B) 89% C) 11% D) 2%
A) 36 amu B) 36 g/mol C) 74 g/mol D) 74 amu
A) synthesis B) double-displacement C) decomposition D) combustion E) single-displacement
A) decompostion B) synthesis C) single-displacement D) combustion E) double-displacement
A) single-displacement B) combustion C) decompostion D) double-displacement E) synthesis
A) decomposition B) double-displacement C) synthesis D) single-displacement E) combustion
A) synthesis B) decomposition C) combustion D) single-displacement E) double-displacement
A) K B) oC C) atm D) L
A) atm B) L C) torr D) K
A) 13976cm3 B) 395cm3 C) 0.047cm3 D) 0.001cm3
A) 1071mmHg B) 805mmHg C) 706mmHg D) 1200mmHg
A) 105.3K B) 855K C) 303K D) 581K
A) 206K B) 352K C) 421K D) 500K
A) 49atm B) 15atm C) 18.9atm D) 32atm
A) Subtract 273 B) Add 273 C) Divide by 273 D) Multiply by 273
A) 101.325kPa B) 1atm C) 760 torr D) All of these
A) K B) oC C) Two of the above D) L
A) experimentation B) organizing data C) communicating results D) research
A) water B) growth C) music D) sunlight
A) sunlight B) growth C) water D) music
A) 860 B) 8.6 C) 86000 D) 0.86
A) heterogeneous mixture B) homegeneous mixture C) compound D) element
A) two of these B) air C) salt water D) hydrogen
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) physical property B) chemical property
A) chemical change B) physical change
A) chemical change B) physical change
A) alkali metals B) noble gases C) halogens D) transition metals
A) alphabetically B) by atomic mass C) by date of discovery D) by atomic number
A) Millikan B) Rutherford C) Thomson
A) Rutherford B) Millikan C) Thomson
A) 6 B) 9 C) 7 D) 8
A) Not enough information B) it depends on the mass C) 6.02x1023
A) 1s22s22p5 B) 1s12s12p6 C) 1s22s22p6 D) 1s12s22p5
A) [Kr]5s2 B) [Kr]1s22s22p63s23p64s23d104p65s2 C) [Ar] 4s2 D) [Ar]5s2
A) decreases B) increases
A) increases B) decreases
A) 12 B) 4 C) 3 D) 6
A) special B) covalent C) ionic D) metallic
A) metallic B) covalent C) special D) ionic
A) MgS2 B) MgS4 C) MgS D) Mg2S
A) CCl3 B) CCl C) CCl2 D) CCl4
A) iron (IV) chloride B) iron dichloride C) iron (II) chloride D) iron chloride
A) trinitrogen hexachloride B) nitrogen hexachloride C) nitrogen chloride D) nitrogen (III)chloride
A) donates/accepts electrons B) shares electrons
A) number of atoms B) nothing C) charge D) how much it weighs
A) transition metals B) 4A C) two of these D) groups 1A,2A,3A and 4A
A) __,3,__,3 B) __,3,3,__ C) __,__,__,__ D) 3,__,__,3
A) 2,__,2,__ B) __2,2,__ C) __,__,__,__ D) __,2,__,2
A) dividers B) multipliers C) coefficients D) subscripts
A) metalloids B) metals C) nonmetals
A) valence electrons B) total protons C) total electrons D) total neutrons
A) CrCl2 B) Cr2Cl2 C) CrCl D) Cr2Cl
A) NaOH B) NaCl C) HCl D) HF
A) 12.5g B) 25 C) 50 D) 0g
A) bases B) neutral C) acids
A) Ms. Watson B) ... C) ... |