Atomic Structure

What is everything that has mass and takes up space made of?

• Air

• Stars

• Atoms

• Water

Tags

NGSS.MS-PS1-1

What are the three particles that make up an atom?

• Protons, neutrons, and molecules

• Neutrons, electrons, and molecules

• Protons, electrons, and atoms

• Protons, neutrons, and electrons

Tags

NGSS.MS-PS1-1

What particles are found in the nucleus of an atom?

• Neutrons and electrons

• Atoms and molecules

• Electrons and protons

• Protons and neutrons

What does the number of protons in an atom's nucleus determine?

• Its size

• Its atomic number

• Its weight

• Its color

How many protons and electrons does helium have?

• 1 proton and 1 electron

• 2 protons and 2 electrons

• 2 protons and 3 electrons

• 8 protons and 8 electrons

Tags

NGSS.MS-PS1-1