Elements
What is an element?
A substance that cannot be broken down into a simpler substance by normal chemical means.
What are the vertical and horizontal rows/columns called on the periodic table?
Families are vertical and periods are horizontal.
Is a hydrogen bond, strong or weak?
Weak
Is water less dense as a solid or a liquid?
Solid
What property of matter does an exit sign represent?
Plasma
How many electrons can fit in the first shell?
2
What is more electronegative? Oxygen or Hydrogen
Oxygen
What bond forms between 2 water molecules?
Can water dissolve polar molecules or non-polar molecules?
Polar Molecules
What are the 4 properties of matter?
Solid, liquid, gas, plasma
What is the Octet Rule?
All atoms want to achieve a full outermost shell.
Where section has the highest amount of electronegativity?
Top Right
What bond is formed between non-metals?
Polar covalent bonds
How can water move up the roots of plants?
Adhesion, they move up through the sugar in the tree.
Is an electron cloud moving?
Yes, rapidly moving.
What does this symbol mean: δ−
Partial Negative
What is the number above the element symbol called?
Atomic Number
What is the difference between polar and non-polar covalent bond?
What is the difference between cohesion vs adhesion?
Cohesion is the attraction of molecules for other molecules of the same kind. Adhesion is the attraction of molecules for other molecules of the different kind.
An isotope is when two atoms of the same element have a different number of neutrons.
What is the formula for Sodium Hydroxide?
NaOH
What is the atomic weight represent?
The average mass of all the naturally occurring isotopes of that element.
What type of bond forms between Sodium (Na) and Chlorine (Cl)?
Ionic Bond
What is the polar and non-polar parts of a phospholipid?
Polar Head (Hydrophilic)
Non-polar Tail (Hydrophobic)
A cation is an atom that lost electrons. An anion is an atom that gains electrons.