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