1
Eat me when you have cramps in your legs.
2
I am an alkaline earth metal used in fireworks.
3
My average atomic mass is 35.453.
4
I am a metalloid that usually has 71 neutrons.
5
I'm not an alkali metal, but I am in group 1.
6
I am the only liquid metal at room temperature.
7
I am very important for healthy teeth and bones.
8
I am the 2nd most reactive metal.
9
I have 28 electrons when electrically neutral.
10
My atomic number is 47.
11
I'm the only noble gas with 2 electrons.
12
I am a noble gas with 2 electrons.
13
I am a gas with 8 neutrons in my most common form.
14
I have 26 protons.
15
I have 6 valence electrons and 16 protons.
16
I am in the 5th period and the carbon family.
