Nuclear Chemistry Review

Which particle has the lightest mass?

• He

• e

• H

• n

How many protons are found in Chlorine-35 (Box B)

• 17

• 18

• 35

• 52

Tags

NGSS.MS-PS1-1

About how many MILLIONS OF YEARS is the Half Life of Uranium 235?

• 500

• 600

• 700

• 800

Tags

NGSS.HS-PS1-8

When two nuclei merge to form a single larger nucleus, _____________ has occured

• Beta Decay

• Alpha Decay

• Nuclear Fusion

• Nuclear Fission

Tags

NGSS.HS-PS1-8

How many half-life cycles must pass for only 25% of the original sample of U-235 atoms to remain? (you start with 100%)

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-8

Where is the mass in an isotope symbol

• Top

• Bottom

What is the mass of Oxygen-16

• 8

• 16

• 32

Describe the result of the fusion reactions that currently take place in the sun

• Only energy is produced

• Energy and helium are produced

• Energy and hydrogen are produced

• Energy and iron are produced

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Complete the following statement: As the sun ages...

• the amount of hydrogen will decrease and the amount of helium will increase

• the amount of hydrogen and helium will remain constant

• the amount of hydrogen will increase and the amount of helium will decrease

• the amount of hydrogen and helium will increase

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which of the following describes fission?

• breaking apart large atoms into small ones and releasing energy

• transferring electrons from one atom to another

• combining smaller atoms into larger ones and releasing energy

• atoms spontaneously giving off particles

Tags

NGSS.HS-PS1-8