Atomic Structure

What two particles make up the ATOMIC MASS of an element? 

• Protons and Neutrons

• Protons and Electrons

• Electrons and Nucleus

• Electrons and Neutrons

The smallest subatomic particle is the

• proton

• neutron

• electron

• decepticon

Measure mainly of the nuclear particles: protons + neutrons

• Subatomic Particles

• Atomic Number

• Atomic Mass

• Gluons

"B" is the element's what?

• Atomic mass

• Mass number

• Atomic number

"A" is the number of ___ in the atom's ___

• Protons, nucleus

• Neutrons, shells

• Neutrons, nucleus

• Protons, shells

"A" is the element's what?

• Atomic mass

• Mass number

• Atomic number

What is the charge on an electron?

• positive 1

• 0

• negative 1

Identify #3

• proton

• neutron

• electron

• nucleus

Found in the nucleus of an atom. This particle has a positive charge.

• Neutron

• Proton

• Electron

• Decepticon

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

• Electron Shells

• Orbitals

• Electron Cloud

• Nucleus