Physical Science - Grade 10 -L5

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Measure mainly of the nuclear particles: protons + neutrons

• Subatomic Particles
• Atomic Number
• Atomic Mass
• Gluons

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

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

• Electron Shells
• Orbitals
• Electron Cloud
• Nucleus

What is the atomic number?

• 35,5

• 18

• 17

• 52

How many electrons does Chlorine have?

• 18

• 17

• 35,5

• 52

What is Neon's atomic mass?

• 10

• 20

• 30

How many neutrons does calcium have?

• 20

• 40

• 60

• 0