QS 11

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What is the difference between the nucleus of a Rh-103 atom and the nucleus of a Pd-106 atom

106 has 1 more proton and 2 more neutrons

How many protons, neutrons, and electrons are in a single atom of Ni-58 if it has a -2 charge

28 P 30 N 30E

How many P,N&E are in a single atom of Ag-108 if it has a +2 charge?

47P 47N 45E

Which scientist first described charge as positive and negative

Ben Franklin

A positively charged rod is brought near a metal conductor. Which, if any, Particles move toward the rod?

Electrons

Who invented the electrophorus

Johanes Wilcke

A positive ion has

More electrons

If a slow stream of water is attracted to a rubber rod the slow stream of water ___ a positive rod

also be attracted to

If a slow stream of water is attracted to a rubber rod, the slow stream of water will _____ a positive rod

also be attracted to

If two objects electrically attract each other, then we can say for certain that

at least one object must be charged

A positively charged rod is brought near a metal conductor. The electrons in the conductor experience a force of

attraction

A positively charged rod is brought near a metal conductor. The electrons in the metal conductor experience a force of

attraction

balloons that seem to repel each other are

charged with the same type of charge

A negative ion has more

electrons than protons

To charge and electroscope positively by induction, you

ground the electroscope while bringing a negative rod near

Charge carriers in a metal are electrons rather than protons because electrons are

loosely bound

Rub a balloon with fur and the balloon becomes

negatively charged

Rub a plastic straw on your cotton shirt and the straw becomes

negatively charged

Rub your hair with a comb and the comb becomes

negatively charged

electrophorus out of a foam insulation board and aluminum pie pan and a styrofoam cup. When you charge the foam board by rubbing it with rabbit fur the foam board becomes

negatively charged

Touching the knob of a Leyden jar with a negatively charged rubber rod will make the inside of the Leyden jar

neutral

Construct a simple electrophorus out of a glass plate aluminum pie pan and styrofoam cup. Charge the glass plate by rubbing it with silk, set the pie pan on the glass plate becomes

positively charged

Holding the knob of a Leyden jar and touching the outer metal with a negatively charged rubber rod will make the inside of the leyden jar

positively charged

A negatively charged rod is brought near a metal conductor. The electrons in the conductor experience a force of

repulsion

Electroscope is charged negatively having by foil leaves that stand apart. As a negative charge is brought close the leaves

spread further apart


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