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