Isotopes Warmup

How many neutrons are in this isotope of Nitrogen?

• 5

• 7

• 8

• 15

Tags

NGSS.MS-PS1-1

How would you write the isotope name from this nuclide symbol?

• Sodium-23

• Sodium-11

• Sodium-12

• Sodium-22

Tags

NGSS.HS-PS1-8

What do these isotopes of carbon all have in common?

• neutrons & mass number
• atomic number and neutrons
• atomic number and electrons
• protons, atomic number, and mass number

Tags

NGSS.MS-PS1-1

Isotopes are atoms of the same element with different #’s of __________ & therefore different __________.

• neutrons ; atomic numbers

• protons ; atomic numbers

• electrons ; mass numbers

• neutrons ; mass number

Which of these determines the identity of an atom?

• proton

• neutron

• valence electron

• protons and neutrons

How many neutrons does B (Boron) contain?

• 5
• 11
• 6
• 10.811

Tags

NGSS.MS-PS1-1

How many protons does this atom have?

• 2.5
• 6
• 5
• 10.811

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Which particles make up the nucleus of an atom?

• protons and neutrons
• electrons and protons
• electrons, protons, and neutrons
• electrons and neutrons

Tags

NGSS.MS-PS1-1

All of the mass of an atom comes from what location?

• nucleus
• electron cloud