Atomic Structure

Which subatomic particles has a negative charge?

• Electrons

• Neutrons

• Protons

• Quarks

Which subatomic particle has a positive charge?

• neutrons

• atomic mass

• protons

• isotopes

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

What are atoms of the same element with a different number of neutrons?

• Ion

• Gluons

• Isotope

• Quarks

Tags

NGSS.HS-PS1-8

The smallest particle of an element that shows all the properties of that element.

• Subatomic Particles
• Atom
• Quarks
• Gluons

Tags

NGSS.MS-PS1-1

What is a tiny but very dense, positively charged portion of the atom that holds most of the atomic mass.

• Electron Shells

• Orbitals

• Electron Cloud

• Nucleus

Which scientist discovered the nucleus contains positively charged protons through the Gold Foil Experiment.

• Rutherford

• Chadwick

• Thomson

• Dalton

Tags

NGSS.HS-PS1-8

Which scientist proposed the Atomic Theory that stated, atoms of the same element are identical to each other.

• Bohr

• Rutherford

• Dalton

• Thomson

How many protons does an oxygen atom have?

• 8

• 24

• 16

• When is lunch?

Tags

NGSS.MS-PS1-1

An atom is said to be neutral if it has the same # of electrons and ________. 

• thing-ons 
• electrons 
• neutrons 
• protons