Chemistry in Biology



Chemistry in Biology

Atoms

• Everything is composed of __________________

• Atoms are made of 3 parts:

o ______________________ - have a _________________ charge

o ______________________ - have a _________________ charge

o ______________________ - have ______ charge (They are _________________!)

• Protons and neutrons make up the _____________________ which is the center of the atom

• Label the atom below…

• ________________________ and ____________________ are ATTRACTED to each other because they have ____________________ charges

• Each _______________________ on the periodic table is an atom

• _________________, ____________________, ______________________, ______________________, and ___________________________ are elements that are found in living things

• Color the elements named above on the periodic table below.

Bonds

• Atoms bond together to form _________________________

• Molecules can have ____________________. _____________________, and __________________ bonds

• On the molecules below, highlight single bonds in yellow, double bonds in orange, and triple bonds in blue

Reactions

• Molecules can be ________________________ or ___________________ ______________________ during a chemical reaction

o Ex:

• Every reaction has ________________________ that YIELD _______________________

• Reactants are always on the ______________ side of the reaction

o Reactants go _______ to the reaction

• Products are always on the _________________ side of the reaction

o Products come __________ of the reaction

• The arrow in the middle means ___________________

• Label the reactants, products, and yield in the chemical equation below:

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