isotopes

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.HS-PS1-8

How many neutrons does the isotope of lithium have?

• 8
• 3
• 4
• 5

Tags

NGSS.HS-PS1-8

How many neutrons does uranium-235 have?

• 238
• 92
• 146
• 143

Tags

NGSS.HS-PS1-8

In a correctly written symbol what would be located in the "A" position?

• number of neutrons
• atomic number
• number of electrons 
• mass number

Tags

NGSS.HS-PS1-8

How many neutrons in C-14?

• 6
• 7
• 14
• 8

Tags

NGSS.HS-PS1-8

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

What can you conclude about carbon-14 from its name?

• It has 14 electrons
• it has 14 neutrons
• it has 14 protons
• it has an atomic mass of 14 u

Tags

NGSS.MS-PS1-1

What is the number of neutrons?

• 34
• 79
• 45
• 35

Tags

NGSS.HS-PS1-8

Atom 1- Atomic #=40  Mass=20
Atom 2- Atomic #=40 Mass= 22 
Are these atoms isotopes of each other or different elements?

• Different Elements - Ca & Ti
• Different Elements - Ti & Ar
• Isotopes of Calcium
• Isotopes of Zirconium

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.HS-PS1-8