Idon't under stand any of this, so ! to balance the following equations, use these symbols: for alpha particle: 4/2 he, for beta particle: 0/-1 e, for gramma particle: 0/0 y. fill in the missing symbol and name the reaction.

2. 3/2 H

3. 4/2 He

4. 0/-1 e

5. 0/0 Y

6. 218/84 Po

7. 0/-1 e

A great way to remember nuclear chemistry is looking at the numbers and seeing what adds up. From there, you can see if the bottom number is different and look the element up on the periodic table.

the answer is 75.0%.

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )