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