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32 Cards in this Set

  • Front
  • Back

An element has 14 protons, 15 electrons, and 15 neutrons what is the atomic number

14 protons show the atomic number

Nucleus contains

protons and neutrons

How do you find atomic mass?

add protons and neutrons

Oxygen

2 hydrogens and one oxygen

Covalent bonds are

shared electrons

ionic bonds

give or take electrons

cohesion

a molecule sticking to itself

adhesion

a molecule sticking to other molecules

acids

pH below 7

Bases

pH above 7

Carbon can

bond 4 times because it has 4 valence electrons

Carbohydrates are made up of

simple sugars

Proteins are made up of

amino acids

Lipids are made up of

glycerol and fatty acid tails

Nucleic acids are made up of

nucleotides

water can form

hydrogen bonds

water can form hydrogen bonds because

water is a polar molecule

enzymes speed up chemical reactions by

lowering the activation energy

dehydration synthesis

taking away water and building up

energy-absorbing

endothermic

energy-releasing

exothermic

buffer

compound that prevents sharp and sudden changes in pH

monomer

small unit that makes up polymers

polymers

Makeup macromolecules

4 macromolecules

Carbohydrates, lipids, nucleic acids, proteins

carbon can bond with

hydrogen


oxygen


nitrogen


phosphorus


sulfur

carbon bonds can be

single, double, or triple covalent bonds

why does water stay warm

high heat capacity

Solvent

what is doing the dissolving

Solute

What is being dissolved

Suspension

the mixture of water and the nondissolved substance

solution

the mixture created when the solvent is mixed throughout