Atoms Molecules Isotopes Periodic Table

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

What quantities vary between isotopes of an element?

• protons, electrons, and atomic mass
• protons, electrons, and atomic number
• neutrons and electrons
• neutrons and atomic mass

What is an isotope? 

• A charged atom
• An atom with different amounts of neutrons
• An atom with different amounts of protons
• A neutral atom

Tags

NGSS.MS-PS1-1

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles found on the outermost shell & responsible for the atom's reactivity

• neutrons

• valence electrons

• isotopes

• ions

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

Is the same as the number of protons?

• Subatomic Particles

• Atomic Number

• Atomic Mass

• Gluons

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

• Subatomic Particles
• Atom
• Quarks
• Gluons