Elements
Periodic Table
Micromolecules
Vocabulary
Atoms
100
Which element's symbol is H
Hydrogen
100
What is the element with the least number of electrons?
Hydrogen
100
What are macromolecules?
the large molecules necessary for life.
100
What is the basic unit of matter?
An atom
100
How many electrons are in the first ring of an atom?
2
200
What is the chemical symbol for Iron?
Fe
200
Which element state is most common at room temperature?( solid, liquid, or gas)
Solid
200
What are monomers?
Single units that make up polymers.
200
What is a negatively charged particle?
Electron
200
How many electrons are in the second layer of an atom?
8
300
Name one metalloid
Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, or Astatine.
300
What does the atomic number tell you about the element?
The number of electrons and protons it has
300
What are polymers?
Large structures made of monomers.
300
What is a compound
a thing that is composed of two or more separate elements; a mixture.
300
How many electrons are in the third layer of an atom?
8
400
How many elements are gas at 5,525 degrees?
All of them
400
What process turns monomers into polymers
Dehydration Synthesis
400
What is a covalent bond?
a chemical bond that involves the sharing of electron pairs between atoms.
400
What happens to an atom when an ionic bond is formed?
One or more electrons is transferred from one to another
500
What elements are liquid at room temperature?
Mercury and bromine
500
What elements are liquid at room temperature?
Mercury and Bromine
500
4 examples of macromolecule structures are?
carbohydrates, lipids, nucleic acids, and proteins.
500
what does DNA stand for?
Deoxyribo nucleic acid
500
What type of atom fills exactly 3 rings of electrons?
Argon
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