Science

Which of the following describes the characteristics of a neutron?

• Positive charge. Found in the nucleus. Mass equal to a proton.

• No charge. Found in the nucleus. Mass equal to a proton.

• Negative charge. Found in the nucleus. Mass equal to a proton.

• Negative charge. Found in the nucleus. No mass.

Tags

NGSS.HS-PS1-8

Electrons were discovered before protons.

• True

• False

Fundamental particles that make up protons and neutrons are known as

• quarks.

• leptons.

• bosons.

• none of these

Electrons and neutrinos are known as the family of ___

• Leptons

• Hadrons

• Fermions

• Baryons

How many protons, neutrons and electrons make a hydrogen atom?

• 1 proton, 1 neutron and 1 electron

• 1 proton, 0 neutron and 1 electron

• 1 proton, 1 neutron and 0 electron

• 1 proton, 0 neutron and 0 electron

In the standard model, the particle considered to be an elementary particle is a(n)

• proton
• neutron
• electron
• alpha particle

Which one of the following parts of the atom is the smallest?

• nucleus

• electron

• quark

What is a proton made up of ?

• two up quarks and one down quark
• two charm quarks and three strange quarks
• one top quark and two bottom quarks
• it is indivisible

What is a neutron made up of?

• it is indivisible
• two down quarks and one up quark
• one strange quark and two charm quarks 
• no up quarks and one down quark

What is a electron made up of?

• it is indivisible
• three up quarks and one down quark
• no down quarks and one up quark
• three strange quarks and one charm quark