Electric charge

SI unit for electric charge

• Newton

• Coulomb

• Kilogram

• Watts

What subatomic particles can you find at the center of nucleus?

• electron and proton

• proton only

• neutron and proton

• neutron and electron

What is the fundamental value of  electron?

•  e=1.60×10−19 C

• e= 1.60×10−91 C

• e= 1.60×10−15 C

• e= 1.60×10−21 C

What makes up an atom?

• electron and proton

• electron and neutron

• neutron, electron and friction

• neutron, electron and proton

Millikan experiment is important because

• It established the fundamental value of electron.

• It used the x-ray in conducting the experiment

What happen when unlike charges is held close to each other?

• Repel

• Attract

• Explode

• Dissolve

What charge does an electron have?

• neutral

• positive

• negative

• zero

In an atom, where is the location of electron?

• at the center of the nucleus

• the free floating negatively charged electron cloud

• the positively charge very dense nucleus

• the very dense positively charged electron orbital

What types of charges repel?

• Unlike charges repel.

• positive and negative charges.

• Like charges repel.

What is the SI unit of force?

• Coulomb

• Kilogram

• Newton

• Meter