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