MSPS1-1 Structure of Atoms

Use the model shown below to answer the following question. What is the mass number of the atom? (8.5A)

• 6

• 11

• 16

• 10

Tags

NGSS.MS-PS1-1

If an atom has a mass of 6 and contains 6 electrons, its atomic number must be?

• 6

• 3

• 18

• 12

Tags

NGSS.MS-PS1-1

What are the three main parts of an atom?

• Protons, Neutrons, and Electrons

• Protons, Neutrons, and Photons

• Electrons, Neutrons, and Photons

• Protons, Electrons, and Photons

Tags

NGSS.MS-PS1-1

Which part of the atom has a positive charge?

• Neutron

• Electron

• Proton

• Nucleus

Where are electrons located in an atom?

• In the nucleus

• Orbiting the nucleus

• In the proton cloud

• In the neutron cloud

What is the atomic number of an element?

• The number of protons in the nucleus

• The number of neutrons in the nucleus

• The number of electrons in the atom

• The total number of protons and neutrons

What does the mass number of an atom represent?

• The number of protons

• The number of electrons

• The number of neutrons

• The total number of protons and neutrons

If an atom has 6 protons, 6 neutrons, and 6 electrons, what is its atomic number?

• 6

• 12

• 18

• 0

Tags

NGSS.MS-PS1-1

If an atom has 8 protons and 8 neutrons, what is its mass number?

• 8

• 16

• 24

• 32

Which part of the atom is neutral, having no charge?

• Proton

• Electron

• Neutron

• Nucleus