Atomic Structure

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

• Subatomic Particles

• Atom

• Quarks

• Gluons

What number indicates an electron?

• 1
• 2
• 3
• 4

What is the atomic number of Boron?

• 5
• 11
• 6

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

• Electron Shells

• Orbitals

• Electron Cloud

• Nucleus

The nucleus of an atom is made of

• electrons and protons

• electrons and neutrons

• protons and neutrons

• empty space

What is one way Neutrons are different from electrons?

• they both are negative

• neutrons have no charge, while electrons have a negative charge

• Both are in the nucleus( center of atom)

• Electrons are inside nucleus and neutrons are outside the nucleus.

How many protons does Boron have?

• 5

• 11

• 6

Structure D has what charge?

• Neutral

• Positive

• Negative

Subatomic particles with a positive charge

• neutrons

• atomic mass

• protons

• isotopes

Which particle makes up the ATOMIC NUMBER of an element? 

• Protons

• Electrons

• Protons and Neutrons

• Neutrons