Multiple Choice Exam
A. compound
B. mixture
C. element
D. solution
A. electron
B. proton
C. neutron
D. atom
A. electrons
B. protons
C. nertrons
D. positively charged particles
D. 6,6
C. 12,12
B. 6,12
A. 12,6
A. solid
B. gas
C. liquid
D. plasma
A. boron-12
B. nitrogen-12
C. carbon-14
D. hydrogen-2
A. ionic
B. covalent
C. metallic
D. hydrogen
A. molecule
B. solution
C. isotope
D. ion
A. chemical property
B. physical property
C. isotopic property
D. molecular property
A. transparent
B. colorless
C. higher density than ice
D. changes to hydrogen and oxygen when electricity passes through it
A. color
B. length
C. density
D. height
A. 33 cm3
B. 90 cm3
C. 600 cm 3
D. 1,200 cm 3
A. 45 g/cm3
B. 55 g/cm3
C. 10 g/cm3
D. 250 g/cm3
A. magnetic
B. chemical
C. mass
D. physical
A. color
B. mass
C. density
D. ability to burn
A. metal rusting
B. silver tarnishing
C. water boiling
D. paper burning
A. composition changes
B. composition stays the same
C. form stays the same
D. mass is lost
A. water freezes
B. wood is carved
C. bread is baked
D. wire is bent
A. change in color
B. change in shape
C. change in energy
D. change in odor
A. density
B. shape
C. mass
D. arrangements of particles
A. charged particles
B. space
C. a vacuum
D. a medium
A. speed
B. amplitude
C. energy
D. matter
A. crests
B. troughs
C. compressions
D. rarefactions
A. amplitude
B. frequency
C. speed
D. refraction
A. one wavelength
B. 1 km
C. 1 m/s
D. 1 Hz