Atoms and Isotopes

Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?

• Electron
• Proton
• Neutron
• Quark

Which of the following is a negatively charged subatomic particle?

• Electron
• Proton
• Neutron
• Quark

Where are electrons of an atom found?

• Nucleus
• Electron Cloud
• Some are in the nucleus and some in the electron cloud.
• They are moving everywhere.

Tags

NGSS.MS-PS1-1

An atom has an atomic number of 30 and a mass number of 65. How many neutrons are in the atom?

• 30
• 65
• 35
• 95

Tags

NGSS.MS-PS1-1

An atom has 5 protons and 7 neutrons. What is the mass number of the atom?

• 5
• 7
• 2
• 12

Tags

NGSS.MS-PS1-1

Which of the following has all of the subatomic particles that make up an atom?

• Protons, Nucleus, Electrons
• Neutrons, Nucleus, Protons
• Electrons, Quarks, Protons
• Electrons, Protons, Neutrons

Tags

NGSS.MS-PS1-1

_{What is in the nucleus of an atom?}

• Neutrons and protons 
• Protons
• Protons and Electrons
• Electrons and Nuetrons

Tags

NGSS.MS-PS1-1

A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass number is ____.

• 26
• 30
• 52
• 56

Tags

NGSS.MS-PS1-1

An atom has 10 protons and a mass of 18. It has __ neutrons

• 10
• 18
• 28
• 8

Tags

NGSS.MS-PS1-1

Atoms of the same element that have different numbers of neutron.

• Nucleus
• Atom
• Ion
• Isotope