Atomic Structure Review

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Tags

NGSS.MS-PS2-3

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Tags

NGSS.HS-PS1-8

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

Value representing the number of protons in an element

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

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

• Subatomic Particles
• Atom
• Quarks
• Gluons

Tags

NGSS.MS-PS1-1

Where electrons are likely to be found in an atom.

• Nucleus
• Orbitals around the nucleus

• Within a Proton
• Within a Neutron

Tags

NGSS.MS-PS1-1

Look at this model of the Carbon atom. What are the blue particles representing?

• neutrons

• electrons

• protons

• elements

Tags

NGSS.MS-PS1-1

Look at this Helium element square. What does the number 2 represent?

• atomic weight

• element name

• element symbol

• atomic number

If argon has 18 protons (atomic number), how many electrons does a stable argon element have? Hint: protons=electrons in a stable atom

• 18

• 8

• 10

• 36

Tags

NGSS.MS-PS1-1

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

• 18 protons

• 40 protons

• 22 protons

• 21.9 protons

Tags

NGSS.MS-PS1-1