elements
how do you find the atomic number
The amount of protons in the atom
what happens if you leave an avocado out for too long
It starts to rot and the color begins to change
what is the symbol for sodium
Na
what element has an atomic number of 2
helium
what are the particles that surround the atom
electrons
how do you determine the number of electrons in and element
The amount of electrons is equal to the amount of protons
what happens if you mix baking soda and vinegar
It makes a small explosions
What is the symbol for tin
Sn
what element has an atomic number of 10
neon
what are the particles in the nucleus of the atom
neutrons and protons
elements are made from what
atoms
what happens if you mix milk and vinegar
It turns into a cottage cheese substance
what is the symbol for lead
Pb
what has an atomic number of 3
lithium
how do you find the number of neutrons
subtract the number of protons and the mass number
what element has an atomic number of 1
hydrogen
what happens if oxygen and iron mix
The metal begins to rust
what is the symbol for iron
Fe
what element has an atomic number of 5
boron
how many atoms are in water
3
what element has an atomic number of 8
oxygen
what happens is you mix sodium and chlorine
you make salt
what is the symbol for potassium
K
what element has an atomic number of 7
nitrogen
Who was the man who discovered atoms
democritus