Isotope Symbols CFU

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.MS-PS1-1

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

• number of neutrons

• atomic number

• number of electrons

• mass number

Tags

NGSS.MS-PS1-1

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

• Protons

• Neutrons

• Electrons

• Mass

Tags

NGSS.HS-PS1-8

Different isotopes have...

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

Tags

NGSS.MS-PS1-1

Which of the following is the proper equation for determining the number of neutrons for a given isotope?

• mass # - atomic #
• atomic mass - protons
• protons + electrons
• mass # + protons

Tags

NGSS.MS-PS1-1

The bottom number in this isotope notation represent

• the mass number

• the proton number

• the element symbol

• the neutron number

Tags

NGSS.HS-PS1-8

 $\frac{235}{92}X$  What is element X

• Nobium

• Uranium

9 protons and 9 neutrons

• Fluorine-18

• Fluorine-9

• Fluorine-16

• Fluorine-18.998

Tags

NGSS.MS-PS1-1

76 protons and 114 neutrons

• Osmium-114

• Osmium-76

• Osmium-190

• Osmium-190.23

Tags

NGSS.MS-PS1-1

How many protons does He have?

• 4
• 2
• 6
• 0

Tags

NGSS.MS-PS1-1