Atoms Quiz - Chem X

Which subatomic particle holds a negative charge

• Proton

• Neutron

• Quark

• Electron

What subatomic particle holds a positive charge

• Proton

• Electron

• Quark

• Anion

What is an anion?

• A particle similar to electrons

• The area around the nucleus

• A positively charged atom

• A negatively charged ion

What element does "Au" represent

• Aluminum

• Cobalt

• Gold

• Actinium

What element does "W" represent

• Thorium

• Tungsten

• Scandium

• Einsteinium

What is the value Planck's Constant?

• 3.14159265359*10^-34 J·s

• 3*10^8 m/s

• 6.6260755*10^-34 J·s

• 6.6260755*10^-34

What is the smallest unit of an element that has all the chemical properties of the element

• Atom

• Compound

• Cell

• Molecule

Which element is a noble gas?

• Phosphorus

• Fluorine

• Sodium

• Neon

Who created the "Plum Pudding" model?

• John Dalton

• J.J Thomson

• Antoine Lavoisier

• Robert Boyle

What are coefficients in a chemical equation?

• Volume

• To the power of

• Mass

• Number of molecules