ACS GEN CHEM 1 FINAL 2024-2025
thei physicali materiali ofi thei universe.i Iti isi anythingi thati hasi massi andi occupiesi space.i -i
Correcti Answer-Matter
isi madei upi ofi relativelyi fewi elements.i -i Correcti Answer-Matter
Thei smallesti buildingi blocki ofi matter.i Smallesti particlei thati retainsi thei chemicali propertyi ofi
thei elementi (O,i He,i S).i -i Correcti Answer-Atom
Eachi _______i isi madei ofi thei samei kindi ofi atomi -i Correcti Answer-Element
Combinationi ofi atomsi heldi togetheri ini specifici shapesi -i Correcti Answer-Molecule
Noi fixedi volumei ori shape,i conformsi to
volumei andi shapei ofi container,i isi compressiblei -i Correcti Answer-Gas
Individuali particlesi arei confinedi toi ai giveni volume,i liquidi flowsi (noi definitei shape)i andi
assumesi thei shapei ofi itsi containeri upi toi thei volumei ofi thei liquid,i slightlyi compressiblei -i
Correcti Answer-Liquid
Rigidi withi definitei shape,i veryi slightlyi compressiblei -i Correcti Answer-Solid
thesei stablei diatomicsi -i Correcti Answer-H2,O2,i N2,i andi thei Halogensi (F2,i Cl2,i Br2,i I2)
Differenti samplesi ofi anyi purei compoundi containi thei samei elementsi ini thei samei proportioni
byi massi -i Correcti Answer-Lawi ofi Constanti (Definite)i Composition
, characteristicsi ofi ai substance.i Cani bei observedi withouti changingi ai substancei intoi anotheri
substancei -i Correcti Answer-Physicali Properties
Describesi thei reactivityi ofi ai substance.i Cani onlyi bei observedi wheni ai substancei isi changedi
intoi anotheri substancei -i Correcti Answer-Chemicali properties:
Doesi noti dependi oni amount.i -i Correcti Answer-Intensivei propertyi :
Dependsi oni amount.i -i Correcti Answer-Extensivei property
Substancesi transformi intoi chemicallyi differenti substancesi -i Correcti Answer-Chemicali change
Noi changei ini chemicali compositioni -i Correcti Answer-Physicali change
Howi closei toi thei truei valuei ai giveni measurementi is.i -i Correcti Answer-Accuracy
Howi welli ai numberi ofi independenti measurementsi agreei withi onei another.i -i Correcti Answer-
Precision
Electronsi werei discoveredi byi ______i ini 1897,i while
Millikan'si Oili Dropi experimenti determinedi itsi charge.
•i Neutronsi werei discoveredi byi Jamesi Chadwicki ini 1932.i -i Correcti Answer-J.J.i Thompson
Postulatedi ai veryi small,i densei nucleusi withi thei electronsi aroundi thei outsidei ofi thei atom.i
Mosti ofi thei volumei ofi thei atomi isi emptyi space.i -i Correcti Answer-Rutherford
Protonsi werei discoveredi by______ini 1919.i -i Correcti Answer-Rutherford
thei physicali materiali ofi thei universe.i Iti isi anythingi thati hasi massi andi occupiesi space.i -i
Correcti Answer-Matter
isi madei upi ofi relativelyi fewi elements.i -i Correcti Answer-Matter
Thei smallesti buildingi blocki ofi matter.i Smallesti particlei thati retainsi thei chemicali propertyi ofi
thei elementi (O,i He,i S).i -i Correcti Answer-Atom
Eachi _______i isi madei ofi thei samei kindi ofi atomi -i Correcti Answer-Element
Combinationi ofi atomsi heldi togetheri ini specifici shapesi -i Correcti Answer-Molecule
Noi fixedi volumei ori shape,i conformsi to
volumei andi shapei ofi container,i isi compressiblei -i Correcti Answer-Gas
Individuali particlesi arei confinedi toi ai giveni volume,i liquidi flowsi (noi definitei shape)i andi
assumesi thei shapei ofi itsi containeri upi toi thei volumei ofi thei liquid,i slightlyi compressiblei -i
Correcti Answer-Liquid
Rigidi withi definitei shape,i veryi slightlyi compressiblei -i Correcti Answer-Solid
thesei stablei diatomicsi -i Correcti Answer-H2,O2,i N2,i andi thei Halogensi (F2,i Cl2,i Br2,i I2)
Differenti samplesi ofi anyi purei compoundi containi thei samei elementsi ini thei samei proportioni
byi massi -i Correcti Answer-Lawi ofi Constanti (Definite)i Composition
, characteristicsi ofi ai substance.i Cani bei observedi withouti changingi ai substancei intoi anotheri
substancei -i Correcti Answer-Physicali Properties
Describesi thei reactivityi ofi ai substance.i Cani onlyi bei observedi wheni ai substancei isi changedi
intoi anotheri substancei -i Correcti Answer-Chemicali properties:
Doesi noti dependi oni amount.i -i Correcti Answer-Intensivei propertyi :
Dependsi oni amount.i -i Correcti Answer-Extensivei property
Substancesi transformi intoi chemicallyi differenti substancesi -i Correcti Answer-Chemicali change
Noi changei ini chemicali compositioni -i Correcti Answer-Physicali change
Howi closei toi thei truei valuei ai giveni measurementi is.i -i Correcti Answer-Accuracy
Howi welli ai numberi ofi independenti measurementsi agreei withi onei another.i -i Correcti Answer-
Precision
Electronsi werei discoveredi byi ______i ini 1897,i while
Millikan'si Oili Dropi experimenti determinedi itsi charge.
•i Neutronsi werei discoveredi byi Jamesi Chadwicki ini 1932.i -i Correcti Answer-J.J.i Thompson
Postulatedi ai veryi small,i densei nucleusi withi thei electronsi aroundi thei outsidei ofi thei atom.i
Mosti ofi thei volumei ofi thei atomi isi emptyi space.i -i Correcti Answer-Rutherford
Protonsi werei discoveredi by______ini 1919.i -i Correcti Answer-Rutherford
