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