Number of protons in the nucleus

Sum of the protons and neutrons in the nucleus

Bonding of ions with opposite charges

Potential energy stored in chemical bonds

Reactions that release more energy

Endothermic reactions

Reactions that absorb more energy

Substances that start the reaction

Substance produced from the reaction

Joining of components (A+B→AB)

Decomposition reaction

Breaks down or decomposes larger molecules (AB→A+B)

Both synthesis and decomposition happening (AB+CD→AC+BD)

Influence of temperature on reaction rate

Higher temperature→faster reaction rate

Concentration and pressure

Increase concentration→increase pressure→increase interactions

Increases rate of reaction without changes

Lower energy needed for reactions

Threshold level of energy needed to break bonds in reactants

Do not have carbon and hydrogen

Releases hydrogen ions in solution (H+)

Made of carbon, hydrogen, and oxygen

Made up of 100 to 1000s of monosaccharides

Made of carbon, oxygen, and hydrogen +glycerol

Found in body tissues, known as “fat”

Semi-solid at room temperature, no double bonds

Liquid at room temperature, has a double bond

Phosphorus head + glycerol + 2 fatty acid chain

Made of amino acids linked together by peptide bonds

Enzymes, antibodies, neurotransmitters

Chemical reactions sped up by enzymes

Made up of 3 subunits: sugar, phosphate group, nitrogenous base

Deoxyribonucleic acid, stores genetic information

Elements and Compounds Flashcards

Student preview

53 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Pure substance

Back

Elements and Compounds

2.

FLASHCARD QUESTION

Front

Elements in your body

Back

Oxygen, carbon, hydrogen, and nitrogen

3.

FLASHCARD QUESTION

Front

Compound

Back

2 or more elements joined by chemical bonds

4.

FLASHCARD QUESTION

Front

Example of a compound

Back

Oxygen+carbon+hydrogen= glucose

5.

FLASHCARD QUESTION

Front

Smallest amount of an element

Back

Atom

6.

FLASHCARD QUESTION

Front

Positively charged particle

Back

Proton

7.

FLASHCARD QUESTION

Front

Neutral particle

Back

Neutron

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