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WorksheetsChemistry Retest Review!
Total questions: 12
Worksheet time: 7mins
Which is a finding attributed to Rutherford's Gold Foil Experiment?
atoms are indivisible and have a dense positive nucleus.
atoms are divisible and have multiple layers of electrons scattered uniformly about the atom.
atoms are like plum pudding with positive and negative charges uniformly scattered throughout the atom.
atoms are mostly empty space with a dense positive nucleus.
If an atom is neutral, which two subatomic particles are equal?
protons and neutrons
protons and electrons
electrons and neutrons
True or False:
If a chemical equation is following the law of conservation of mass, then it is unbalanced.
True
False
If an atom has similar chemical properties to another atom, what do they have in common?
protons
valence electrons
energy levels
neutrons
H2O2 → H2O + O2
In the chemical equation above, the arrow in GREEN means...
reactants
yield or produce
products
H2 + O2 -> H2O
How would you read the following equation?
hydroden and oxygen combine to form water
water is producing hydrogen and oxygen
water and oxygen form hydrogen
oxygen yeilds hydrogen and water
