Chemistry 1
The elements in Group 18 called ?
What are the Noble Gases?
The number of electrons in the first 3 orbitals.
What is 2, 8, 8?
The two types of chemical bonds
The type of molecule is due to water's uneven sharing of electrons
What is polar?
Name all 3 subatomic particles.
What are Protons, Neutrons, and Electrons?
The number you use to find the number of protons.
What is the atomic number?
80% of the world uses these for medicine.
What are plants?
The 25th element called
What is Manganese or Mn?
What type of elements are their more of on the periodic table
The organelle that plays a role in the structure and rigidity of plant cells
What is the central vacuole?
The number of periods shown on the periodic table.
What is 7?
The atomic number of neon (Ne) is
What is 10?
A bond where electrons are shared
What is covalent?
It is possible that our model of the atom can change when more is learned about
What is quantum physics?
A valence electron is where
What is the outermost energy level?
Formed by losing or gaining valence electron
What are ions?
Proteins activated in the presence of Ca causes this
What is bioluminescence?
A bond where electrons are transfered?
What is ionic?
The attractive force between two water molecules
What is cohesion?
Elements in group 1 will most likely bond with elements in this group
What is 17?
When moving from left to right across the periodic table, this increases.
What is Atomic Number?
These elements make up the macromolecules in living things.
What are H, C, O, N, S, P?
These are in the nucleus in the atom
What are protons and neutrons?
The attractive force between a water molecule and something else like a spider web
What is adhesion?
Nitrogen accepts this many electrons
What are 3 electrons?
Carbon has this many valence electrons
What is 4?
What is entropy?
Electrical attraction between partially charged molecules that contain H atoms
What are Hydrogen bonds?
The property of water that allows for small insects to walk on water
What is surface tension?
Fluorine, chlorine, bromine, and iodine belong to the this family
What are the halogens?
These balance fluids in your body, maintain blood's pH and carry electrical signals from nerves to muscles.
What are electrolytes?
Elements in Group 2 form ions with a charge of ___
What is + 2?
The four macromolecules
What are carbohydrates, lipids, proteins and nucleic acids?
Water can dissociate most ionic compounds so it is known as this
What is a universal solvent?
Plant chlorophyll and animal blood hemoglobin are identical in shape except for these at the middle