Periodic table

123456
Across
  1. 2. Has 3 protons, used in batteries
  2. 3. a stable element, makes your voice high pitch
  3. 4. Prized metal, has a colour named after it
  4. 5. has a negative charge
Down
  1. 1. The space between subatomic particles, it sucks up dust
  2. 3. has 1 proton
  3. 6. Transition metal, sounds like pickle