Atoms
Bonds
Water
Biomolecules
Random
100
This is the smallest whole unit of matter
Atom
100
This is a bond where two nonmetals share electrons
Covalent
100
What is more dense water or ice
BONUS: Why?
water
when water molecules slow down the hydrogen bonds are stuck in place making them further away from each other.
100
Which biomolecule is this
Nucleic Acid
100
Draw the Lewis dot structure for Sulfur
S with 6 dots
200
What is in the nucleus of an atom?
Protons and Neutrons
200
This is a bond where a metal gives its electron to a nonmetal.
Ionic
200
Why does water have charges?
the oxygen "hogs" electrons so it is a little negative and hydrogen is a little positive
(also accept electronegativity difference)
200
Which biomolecule is this:
Protein
200
Draw the bohr model for Berylllium
I'll check
300
Where would you find an atoms 3rd electron?
In the second shell
300
What kind of bond would Aluminum and Chlorine make?
Ionic
300
What is cohesion
water sticking to itself
300
What elements are found in the four biomolecules?
Carbs: CHO Lipids: CHO Proteins: CHONS Nucleic Acids: CHONP
300
What is the octet rule
atoms react to get a full valence shell (8)
400
How many protons, neutrons, and electrons are in a Phosphorus atom?
Protons=15 Neutrons=16 Electron=15
400
What is the chemical equation for Magnesium and Chlorine reacting together?
MgCl2
400
Why does water dissolve things so easily?
It is polar (has charges) so it sticks to other things that have charges.
400
What are the monomers of proteins?
Amino Acids
400
What is an isotope
Two atoms that have the same atomic number but different numbers of neutrons (or mass)
500
How many Valence electrons are in Silicon?
4
500
What is the equation for Carbon and Chlorine reacting together?
CCl4
500
Why doesn't water change temperature easily
It has a high heat capacity because of the hydrogen bonds
500
What is the monomer of Nucleic Acids
Nucleotides
500
Describe a Hydrogen Bond
A bond between two different molecules because of the charges.