Unit 4&5 Balancing & Radioactivity

Front

2HgO -> _Hg + _O₂

Back

2Hg + 1O₂

Front

What type of reaction is this?

Back

fusion

Front

What is the best way to dispose of nuclear waste?

Back

Seal it in barrels that are placed in the middle of a granite mountain.

Front

What type of reaction is this?

Back

nuclear fission

Front

Carbon-14 has a half life of 5,700 years.

How much of a 1,000g sample will remain after 11,400 years?

Back

250g

Front

What type of chemical reaction is this?

2Li _ 2H₂O -> 2LiOH + H₂

Back

single replacement

Front

Does alpha decay, beta decay or gamma radiation have the most energy?

Back

gamma radiation

Front

What is the value of x?

Back

28.67

(11.69 + 33.98 = x + 17.00)

Front

What does the number in front of a chemical symbol tells you?

Back

number of molecules or atoms of each substance

Front

How do you write an alpha particle in a chemical equation?

Back