Atomic Structure

Which subatomic particles have a negative charge?

• Electrons

• Neutrons

• Protons

• Quarks

Which subatomic particle can be shared or transferred during chemical reactions?

• neutrons

• valence electrons

• isotopes

• ions

Which subatomic particle has a positive charge?

• neutrons

• atomic mass

• protons

• isotopes

The ____ is equal to the number of protons and neutrons combined.

• Subatomic Particles

• Atomic Number

• Mass Number

• Electrons

The ___ is always equal to the number of protons for a given element.

• Atomic Mass

• Mass Number

• Valence Electrons

• Atomic Number

Subatomic particles that are neutral in charge

• Neutrons

• Protons

• Nucleus 

• Electrons

Atoms of the same element with a different number of neutrons

• Ions

• Gluons

• Isotopes

• Quarks

Which particles are gained or lost by atoms to form ions?

• protons

• electrons

• neutrons

• atoms cannot gain or lose particles

A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass

• Electron Shells

• Orbitals

• Electron Cloud

• Nucleus

Tags

NGSS.HS-PS1-8

The only element with no neutrons in its nucleus.

• Oxygen

• Helium 

• Hydrogen

• Lithium