Across
- 4. - I have 26 protons.
- 5. - I am a metal with 28 electrons.
- 7. - I have 2 electrons in the first shell, 8 in the second shell, and 6 in the third shell.
- 9. - I am precious metal whose nanoparticles are used in rheumatoid treatment.
- 10. - I am the head of the carbon family known as the “basis of life”.
- 11. - I am a member of the boron family and am the most abundant metal in the Earth’s crust.
- 13. - I am not really an alkali metal, but since I have only 1 electron I behave like them.
Down
- 1. - My atomic mass is 35.453.
- 2. - I have 20 neutrons and am found in your teeth and bones.
- 3. - I am a silver white metal used to make salt.
- 5. - I make up 78% of the air and am found in the 15th group.
- 6. - I am a member of the carbon family often mistaken for the end of your pencil.
- 8. - I am a metal that is liquid at room temperature.
- 12. - I am a transition metal with 25 electrons.
- 14. - I am a gas with 8 protons and 8 neutrons.