Atom and Atomic Structure and Some Simple Ionic Bonding and Ionisation

The chemical symbol for Helium is

• H
• Hg
• He
• O

Sodium is an ingredient in salt.  The chemical symbol for salt is

• N
• Na
• Mg
• S

The positive particles of an atom are 

• electrons 
• positrons 
• neutrons 
• protons 

the central region of an atom where its neutrons and protons are is its 

• nucleus 
• electron cloud
• core 
• center 

Tags

NGSS.HS-PS1-8

True or False? Neutrons have a negative charge

• True
• False

Particles in an atom that are neutral and have no charge are 

• negatrons 
• electrons 
• neutrons 
• protons 

A particle that moves around the nucleus is a(n)...

• Proton
• Neutron
• Electron
• Quark

The chart that arranges elements by atomic number is:

• Atomic Number
• Metal
• Periodic Table
• Chart

Tags

NGSS.HS-PS1-1

A NEGATIVE subatomic particle is:

• Electron
• Neutron
• Proton
• Metal

Atoms are made up of:

• Protons, Neutrons, and Electrons
• Nucleus
• Orbits
• Electron Clouds

Tags

NGSS.MS-PS1-1