A) 0.014g B) 14.28g/cm3 C) 0.014 g/cm3 D) 14,000 g/cm3
A) somewhat spread apart with almost not movement B) very close together and freely moving C) very far apart and feely moving D) somewhat spread apart with little movement
A) atom with different number of electrons B) atom with different number of neutrons C) atom with different number of protons D) atom with different number of energy levels
A) 3d B) 5s C) 4p D) 4d
A) S B) Na C) Si
A) aluminum B) oxygen C) magnesium D) nitrogen
A) 2.05x1024atoms B) 0.56x10-24atoms C) 18.3atoms D) 2.05atoms
A) 36.4x1023 mol B) 2.70mol C) 185.92mol D) 0.37mol
A) 222grams B) 24.67grams C) 117grams D) 0.041grams
A) AlCl3 B) Al2Cl3 C) Al2Cl D) AlCl2
A) composition B) combustion C) decomposition D) single-replacement
A) double-replacement B) composition C) single-replacement D) combustion
A) balanced B) 3,__,__,3 C) __,3,__,3 D) __,3,3,__
A) subscripts B) coefficients C) products D) reactants
A) 52.0grams B) 39.6grams C) 65.6grams D) 138.7grams
A) Li=+2 O=-1 B) Li=+1 O=-2 C) Li=+2 O=-2 D) Li=+1 O=-1
A) 76 amu B) 120 g/mol C) 76 g/mol D) 120 amu
A) 20% B) 2% C) 11% D) 89%
A) 74 g/mol B) 36 amu C) 74 amu D) 36 g/mol
A) single-displacement B) decomposition C) combustion D) double-displacement E) synthesis
A) single-displacement B) double-displacement C) decompostion D) synthesis E) combustion
A) synthesis B) single-displacement C) decompostion D) double-displacement E) combustion
A) single-displacement B) decomposition C) combustion D) double-displacement E) synthesis
A) synthesis B) decomposition C) single-displacement D) combustion E) double-displacement
A) K B) L C) atm D) oC
A) torr B) K C) L D) atm
A) 13976cm3 B) 395cm3 C) 0.001cm3 D) 0.047cm3
A) 1071mmHg B) 706mmHg C) 805mmHg D) 1200mmHg
A) 303K B) 855K C) 105.3K D) 581K
A) 500K B) 206K C) 421K D) 352K
A) 32atm B) 18.9atm C) 15atm D) 49atm
A) Subtract 273 B) Divide by 273 C) Add 273 D) Multiply by 273
A) 101.325kPa B) 1atm C) 760 torr D) All of these
A) Two of the above B) L C) oC D) K
A) experimentation B) communicating results C) organizing data D) research
A) growth B) music C) water D) sunlight
A) growth B) sunlight C) music D) water
A) 86000 B) 0.86 C) 860 D) 8.6
A) element B) homegeneous mixture C) heterogeneous mixture D) compound
A) hydrogen B) air C) two of these D) salt water
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) physical change B) chemical change
A) physical change B) chemical change
A) noble gases B) alkali metals C) transition metals D) halogens
A) alphabetically B) by atomic mass C) by date of discovery D) by atomic number
A) Thomson B) Millikan C) Rutherford
A) Thomson B) Rutherford C) Millikan
A) 7 B) 9 C) 8 D) 6
A) it depends on the mass B) Not enough information C) 6.02x1023
A) 1s22s22p5 B) 1s12s22p5 C) 1s12s12p6 D) 1s22s22p6
A) [Kr]1s22s22p63s23p64s23d104p65s2 B) [Ar] 4s2 C) [Kr]5s2 D) [Ar]5s2
A) decreases B) increases
A) decreases B) increases
A) 3 B) 6 C) 12 D) 4
A) covalent B) metallic C) ionic D) special
A) covalent B) metallic C) ionic D) special
A) MgS2 B) MgS C) MgS4 D) Mg2S
A) CCl2 B) CCl C) CCl3 D) CCl4
A) iron (IV) chloride B) iron chloride C) iron (II) chloride D) iron dichloride
A) nitrogen hexachloride B) nitrogen (III)chloride C) nitrogen chloride D) trinitrogen hexachloride
A) shares electrons B) donates/accepts electrons
A) charge B) number of atoms C) nothing D) how much it weighs
A) two of these B) transition metals C) groups 1A,2A,3A and 4A D) 4A
A) 3,__,__,3 B) __,3,__,3 C) __,3,3,__ D) __,__,__,__
A) 2,__,2,__ B) __,__,__,__ C) __,2,__,2 D) __2,2,__
A) coefficients B) dividers C) multipliers D) subscripts
A) metals B) metalloids C) nonmetals
A) valence electrons B) total neutrons C) total electrons D) total protons
A) Cr2Cl B) CrCl C) CrCl2 D) Cr2Cl2
A) HF B) NaCl C) NaOH D) HCl
A) 0g B) 25 C) 50 D) 12.5g
A) bases B) neutral C) acids
A) ... B) Ms. Watson C) ... |