Exploring Atomic Structure: Protons, Electrons, and Neutrons

What type of charge does a proton carry?

• Variable

• Neutral

• Negative

• Positive

Why do helium atoms require neutrons?

• To add mass

• To attract electrons

• To stabilize the nucleus

• To increase charge

What role do neutrons play in an atom's nucleus?

• Generate energy

• Provide stability

• Create electrical charge

• Increase atomic number

Tags

NGSS.HS-PS1-8

What is the maximum number of electrons the first shell can hold?

• 2

• 8

• 18

• 32

Which element has an electron configuration of 2, 1?

• Beryllium

• Helium

• Hydrogen

• Lithium

How many electrons are in the outer shell of lithium?

• 1

• 4

• 3

• 2

What does the atomic number of an element represent?

• Number of protons

• Number of electrons

• Number of neutrons

• Total number of particles

What is the electron configuration of carbon?

• 2, 1

• 2, 2

• 2, 3

• 2, 4

Why does the atomic number vary less than the number of electrons?

• Electrons are more stable

• Protons are outside the nucleus

• Electrons can be gained or lost

• Protons can be lost easily

Which element is described as an unreactive noble gas due to a full outer shell?

• Neon

• Oxygen

• Carbon

• Nitrogen