Exploring the Atom Quiz

What is the center of an atom called?

• Electron

• Nucleus

• Proton

• Neutron

Which subatomic particle is negatively charged?

• Proton

• Neutron

• Electron

• Nucleus

What is the atomic number of an element?

• The number of protons in the nucleus

• The number of electrons around the nucleus

• The total number of protons and neutrons in the nucleus

• The total number of particles in an atom

Which element has the atomic number 1?

• Helium

• Hydrogen

• Oxygen

• Carbon

What do elements in the same column of the periodic table have in common?

• Same number of protons

• Same atomic mass

• Similar chemical properties

• Same number of neutrons

How many electrons can the first shell of an atom hold?

• 2

• 8

• 18

• 32

What determines the chemical behavior of an atom?

• The number of protons

• The number of neutrons

• The number of electrons

• The position in the periodic table

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is not a chemical element?

• Water

• Gold

• Oxygen

• Iron

What is the atomic mass of an element primarily determined by?

• The number of protons

• The number of electrons

• The total number of protons and neutrons

• The total number of electrons and neutrons

Which subatomic particle is found in the nucleus of an atom and has a positive charge?

• Electron

• Neutron

• Proton

• Quark