School of Chemists

A wizard that controls the elements down to their exact atoms. They are quite powerful chemists, and are know to be great crafters of potions and chemicals that have brought upon the advancements of technology. Atom is the strength you rely on there is no element you don't know off the top of your head., along with its properties. Being a wizard with little ture knowledge of the Arcana you masterfully control the power of the real world.

Chemistry in the making

Being a master of chemistry and not really of magic. At 2nd level, you gain proficiency in light armor, Alchemists supplies, Throwing jars, and the recipe to make the Gas Mask (https://www.dndbeyond.com/magic-items/1081249-gas-mask). You also permentially know what the world's periodic table is and each element and what they do/can do.

Alchemical Prowess

At 2nd level, You have the ability to manipulate up to four different elements that is in your nearby area up to 20ft around you.You can manipulate them  up to a maximum of a 1 ft radius sphere amount of total atoms of the 1- 4 elements you can control on a whim. You can additionally combine the elements to make compounds and continue to control them, though depending on how many elements are in the compound you can only control up to so any types of elements.

Note the elements only come to your hand they do not float or are able to be used to suffocate someone through the control alone (you can't wrap a bubble of like hydrogen around someone's head, but you can make it to where you actually have them trapped where no oxygen is greater than hydrogen to breath like dutch ovening them but more deadly.

At 5th, 10th, 15th, and 20th levels allow you to control +1 more elements, except 20th level it has no limits to how many elements you can control.

Alchemical Shield

At 6th level, You have the ability to create an elemental barrier that is made to protect yourself or others.

 You can use an action to summon a barrier of elements in a 120ft area around you, of your choosing, to give a certain 5ft by 5ft area a +3 to Ac. As a reaction or a bonus action you can have it teleport to an ally giving its benefits. You must be able to see the place you are shielding.

This Barrier uses concentration.

Chemical Accidents Acceptions

At 10th level, As you have been experienced with mishaps and accidents with you alchemical supplies. You now have a natural immunity to poison and being poisoned, a resistance to acid, has double proficiency with Alchemical supplies, and can reroll the first natural 1 you roll for at a time Alchemical Checks.

Fission

You being the Chemist you are have gained the all powerful secret of the atom, the building block of life, and has learned to break them.

At 14th level, You as an action to anywhere within  a 120ft radius send over a highly radioactive condense ball that explodes once it hits the area designated.  The Explosion is a 20ft radius, all inside the 20 ft radius must make a Con saving throw. On a Failed save they take 15d4 Poison damage and 5d8 Force Damage, and half of that on a Successful save. Ignores all poison resistants'.

You can use this ability equal to  1/2 your Intelligence modifier with a minimum of 1, per long rest.