Elements
This element, symbolized by "Au," is known as a precious metal.
What is gold?
This scientist is credited with creating the first periodic table in 1869.
Who is Dmitri Mendeleev?
When iron reacts with oxygen in the presence of moisture, it forms this compound.
What is Rust
this molecule is sometimes called the universal solvent, and is necessary for all life on Earth
what is water (H2O)
What determines the bonding of elements?
what is electron valences
what is the modern periodic table arranged by?
what is atomic numbers
Burning a piece of paper is an example of this type of change.
What is a chemical change?
This element is the main component for all organic molecules
What is carbon?
this element is known for being the most conductive metal
what is silver
Group 2 elements, such as magnesium and calcium, are part of this group.
What are alkaline earth metals?
Freezing water into ice can be reversed by this process.
What is melting?
these biomolecules that are made of amino acids act as enzymes and speed up chemical reactions in living organisms
what are proteins?
named after a planet, this element with the symbol "U" is used as nuclear reactor fuel
what is Uranium
The only letter not appearing in any element's symbol is this.
What is J?
This type of energy change, such as heat being absorbed or released, is a clue of a chemical change.
What is a temperature change?
What is combustion?
what was the earliest form of chemistry?
what is alchemy
This element, found in bananas, is essential for muscle function.
What is potassium?
what categorizes noble gases
what is lack of reactivity (??? how do i phrase this)
The formation of bubbles when vinegar reacts with baking soda indicates this type of change.
What is a chemical change?
This gas required by plants to perform photosynthesis