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