8.5AB Atomic Structure

What subatomic particle is the arrow pointing at?

• Proton

• Neutron

• Electron

Tags

NGSS.MS-PS1-1

An atom of which element is represented by this model?

• Cobalt

• Aluminum

• Iron

• Zirconium

Tags

NGSS.MS-PS1-1

What characteristic of an atom determines its elemental identity?

• The number of electrons added to the number of neutrons

• The number of neutrons only

• The number of protons only

• The sum of the protons and neutrons in an atom

A neutrally charged atom has 47 protons and an atomic mass of 108. How many neutrons does this atom have?

• 47 neutrons

• 155 neutrons

• 61 neutrons

• 108 neutrons

Tags

NGSS.MS-PS1-1

What types of subatomic particles are found in the nucleus of an atom?

• Only negatively charged particles

• Both neutrally and positively charged particles

• Only neutral particles

• The nucleus of an atom does not contain subatomic particles.

Which of the following best describes a proton?

• A subatomic particle that is very, very small and has a negative charge

• A positively charged subatomic particle that is found in a cloud around the nucleus of an atom

• A neutral particle found in the nucleus of an atom

• A positively charged subatomic particle found in the nucleus of an atom

How do you find the atomic mass of an atom?

• Add the total number of electrons to the total number of protons

• Subtract the number of protons from the number of neutrons

• Find the sum of protons and neutrons in an atom

• Subtract the total number of electrons from the number of neutrons in an atom

The arrow above is pointing to the ________________ of the element carbon.

• Name

• Symbol

• Atomic Mass

• Atomic Number

What is the atomic mass of the atom pictured?

• 11 amu

• 12 amu

• 1 amu

• 23 amu

Tags

NGSS.MS-PS1-1

What is the charge and location of a neutron?

• Neutral, Outside nucleus

• Negative, Outside nucleus

• Positive, Inside nucleus

• Neutral, Inside nucleus