Atoms, Water, and pH

Which of the following has a negative charge?

• Proton

• Neutron

• Electron

Which of the following have about the same mass?

• Protons and Neutrons

• Protons and Electrons

• Electrons and Protons

• Nucleus and Cloud

What makes up essentially all of the volume of an atom?

• Protons

• Nucleus

• Electron Cloud

• Neutrons

How many electrons are in the first orbital level?

• 2

• 8

• 18

• 0

• 36

What is the smallest element?

• Hydrogen

• Oxygen

• Helium

• Water

• Neon

What would you expect the charge of a Ne atom to be?

• 0

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What would you expect the charge of a Cl atom to be?

• 0

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What would you expect the charge of a Ca atom to be?

• 0

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.HS-PS1-8

How many protons does Oxygen (O) have?

• 24

• 16

• 15.999

• 8

Tags

NGSS.HS-PS1-1