Isotopes

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.MS-PS1-1

which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons

Tags

NGSS.MS-PS1-1

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

• n⁰ ;  atomic #’s
• p⁺ ; atomic #’s
• e^- ; atomic masses
• n⁰ ; atomic masses

Tags

NGSS.HS-PS1-8

An atom is electrically neutral when

• protons and neutrons are the same
• protons and electrons are the same
• neutrons and electrons are the same
• neutrons balance the protons and electrons

Two isotopes of carbon are carbon-12 and carbon-14.  These isotopes differ from one another by two protons.

• true
• false

Tags

NGSS.MS-PS1-1

What is an isotope? 

• A charged atom
• An atom with different amounts of neutrons
• An atom with different amounts of protons
• A neutral atom

Tags

NGSS.MS-PS1-1

^{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 neutrons does a Carbon 13 atom have?

• 6
• 5
• 7
• 8

Tags

NGSS.MS-PS1-1