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