Atomic Structure and Elements Quiz

What are the three fundamental particles that make up atoms?

• Protons, Neutrons, and Photons

• Protons, Electrons, and Neutrons

• Protons, Electrons, and Photons

• Electrons, Neutrons, and Photons

Why is a hydrogen atom neutral?

• It has more electrons than protons

• It has equal numbers of protons and electrons

• It has no neutrons

• It has more protons than electrons

What role do neutrons play in the nucleus of an atom?

• They determine the atomic number

• They act as glue to hold the nucleus together

• They repel protons

• They provide a negative charge

How many electrons can the first electron shell hold?

• Two

• Four

• Eight

• Six

What is the electron configuration of lithium?

• 1, 2

• 2, 1

• 2, 2

• 1, 1

What is the atomic number of carbon?

• 4

• 5

• 6

• 7

Which element has an electron configuration of 2, 3?

• Boron

• Carbon

• Beryllium

• Nitrogen

What makes neon an unreactive noble gas?

• It has a full second shell

• It has a full first shell

• It has no protons

• It has more electrons than protons

How many protons does oxygen have?

• 9

• 8

• 6

• 7

What determines the identity of an element?

• The number of protons

• The number of neutrons

• The number of electron shells

• The number of electrons