Isotopes

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

^{The photo above shows the isotopic notation for which isotope?}

• Carbon 12
• Carbon 13
• Carbon 14
• Carbon 15

Tags

NGSS.MS-PS1-1

Different isotopes have...

• different masses
• different atomic numbers
• different electrons
• different protons

Tags

NGSS.MS-PS1-1

How many protons are in the isotope pictured above?

• 29

• 34

• 63

• 92

Tags

NGSS.MS-PS1-1

How many neutrons are in the isotope pictured above?

• 29

• 34

• 63

• 92

Tags

NGSS.MS-PS1-1

The mass number of an isotope is made up of which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, neutrons and electrons

The atomic number of an element is the total number of which subatomic particle found in the nucleus?

• Electron

• Neutron

• Proton

• Neutrons + Protons

Tags

NGSS.MS-PS1-1

When writing the symbol for an isotope, which number is ALWAYS written in the upper left hand corner?

• Number of protons

• Number of electrons

• Number of neutrons

• Number of protons plus the number of neutrons

Element X has 13 neutrons with a mass number of 28. Element Y has 13 protons. These elements are:

• Different elements

• Isotopes

Tags

NGSS.MS-PS1-1

What is the mass number of an element with 11 protons and 12 neutrons?

• 1

• 11

• 12

• 23

Tags

NGSS.MS-PS1-1