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- 1. Multiple Choice
In a stable atom the amount of electrons is equal to the amount of
neutrons
protons
atomic mass
neutrons + protons
- 2. Multiple ChoiceWhat is the charge of the electronpositiveno chargenegativeneutral
- 3. Multiple ChoiceWhich particle has a positive charge?electronorbitalprotonneutron
- 4. Multiple ChoiceWhat types of charges attract?Positive and PositivePositive and NeutralNegative and NeutralPositive and Negative
- 5. Multiple ChoiceThe accumulation of excess electric charge on an object is calledStatic electricityElectric dischargeResistanceCircuit
- 6. Multiple ChoiceElectric charges that are alike _______ each other.AttractRepel
- 7. Multiple ChoiceElectric charges that are different _______ each other.AttractRepel
- 8. Multiple ChoiceIf a substance has an excess number of electrons on its surface, what type of charge does it have?A negative chargeA positive chargeA neutral chargeA nuclear charge
- 9. Multiple Choice
A balloon has a negative charge. A glass rod has a positive charge. What will happen when the rod is brought near the balloon?
the balloon will be attracted to the rod
the balloon will remain in place
the balloon will be repelled by the rod
the balloon will spin in circles
- 10. Multiple ChoiceIf an object has a net charge of +2e this means it haslost 2 electronsgained 2 electronslost 2 protonsgained 2 protons
- 11. Multiple Choice
glass, rubber, silk, and plastic are all examples of
Conductors
Insulator
Thermel conductivity
Materials
- 12. Multiple ChoiceAn object that is positively charged contains more protons than electrons.TrueFalseI need more information
- 13. Multiple ChoiceA metal spoon is an example of _____.a conductoran insulator
- 14. Multiple ChoiceWhich of these is the electron?ABC
- 15. Multiple ChoiceWhat parts of an atom are in the nucleus?ProtonsNeutronsElectronsProtons and Neutrons
- 16. Multiple ChoiceWhich of the following an insulator?copperwoodsilversalt water
- 17. Multiple ChoiceWhat charge does a proton have?negative (-)positive (+)neutral or no charge (0)
- 18. Multiple ChoiceWhen objects have equal numbers of positive and negative charges, they arepositively chargednegatively chargedelectrically neutralunbalanced
- 19. Multiple ChoiceMetals such as copper, iron, gold, and silver are ...conductorsbrittleinsulatorsresistors
- 20. Multiple Choice
The loss of an unbalanced electric charge is an
electric force
electric field
electric discharge
- Answer choicesTagsAnswer choicesTags