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