True or false about the nucleus

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Nuclear density is the same for all nuclei.

2. Statement is true

   No

   Statement

   A nucleus weighs more than its parts.

3. Statement is true

   Yes

   Statement

   Radioactivity was found by accident in 1896.

4. Statement is true

   No

   Statement

   There are five types of radioactive decay.

5. Statement is true

   Yes

   Statement

   Alpha decay emits a helium nucleus.

6. Statement is true

   Yes

   Statement

   Hydrogen has three isotopes.

Instructions

Decide whether each statement is true or false.

Explanation