 | Term | Definition |
| |
matter |
anything that occupies space and has mass |
| |
element |
made up of atoms |
| |
atom |
the simplest part of an element |
| |
amount of protons and electrons |
atomic number |
| |
total amount of protons and neutrons |
atomic mass |
| |
atomic mass minus atomic number |
how to find the number of neutrons |
| |
2 |
maximum electrons for level 1 |
| |
8 |
maximum electrons for level 2 |
| |
18 |
maximum electrons for level 3 |
| |
32 |
maximum electrons for level 4 |
| |
compound |
2 or more elements chemically combined |
| |
molecule |
a covalent bonded compound |
| |
isotope |
atom with a different number of neutrons |
| |
radioactive isotope |
unstable isotopes |
| |
covalent bonding |
when elements share electrons |
| |
ionic bonding |
when one atom gains an electron and the other loses an electron |
| |
organic compound |
anything that bonds with a carbon |
| |
lipids |
are made up of C, H, and O |
| |
lipids |
What contains more energy, lipids or carbohydrates? |
| |
1 glycerol molecule and 3 fatty acid chains |
What are lipids made up of? |
| |
carboxyl group |
What is at the end of a fatty acid chain? |
| |
yes |
Are fatty acids weak? |
| |
amino acid |
What is the smallest part of a protein? |
| |
amino group and carboxyl group |
What groups make up a protein? |
| |
adenine, thymine, cytosine, guanine |
What are the nitrogenous bases? |
| |
Adenine to Thymine and Cytosine to Guanine |
base pairing rules |
| |
proteins and DNA |
What are chromosomes made of? |
| |
deoxyribose sugar (5 sides) |
What sugar are in DNA? |
| |
ribose sugar (6 sides) |
What sugar are in RNA? |
| |
double helix |
What is the structure of DNA? |
| |
one strand |
What is the structure of RNA? |
| |
A to U, T to A, C to G, G to C |
How does nitrogenous bases in DNA match with RNA? |
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