Isotopic/Nuclear Notation

Atomic number=

• number of neutrons
• atomic mass
• protons
• electrons+protons

Mass Number is--

• the number of protons + neutrons
• the number of protons
• the number of electrons +protons +electrons
• the same as atomic number

How many protons does He have?

• 4
• 2
• 6
• 0

Tags

NGSS.MS-PS1-1

The top number in this isotope notation is

• the mass number
• the atomic number
• the atomic mass
• the neutron number

Tags

NGSS.HS-PS1-8

The bottom number in this isotope notation is

• the mass number
• the atomic number
• the atomic mass
• the neutron number

Tags

NGSS.HS-PS1-8

γ is the symbol for

• alpha decay
• beta decay
• gamma decay

α is the symbol for

• alpha decay
• beta decay
• gamma decay

Tags

NGSS.HS-PS1-8

β is the symbol for

• alpha decay
• beta decay
• gamma decay

Tags

NGSS.HS-PS1-8