Chemical Reactions
What is 1 thing that affects the rate of reactions
Concentration
Surface area
Temperature
Catalysts
Are the only elements that are ever in organic compounds Hydrogen, Carbon, and Oxygen
No. Nitrogen and Sulfur are two examples of other elements that could be in organic compounds
What is different about two isotopes of the same element.
Number of Neutrons
What are 2 signs of a chemical reaction is occurring
Change in color
Change in odor
creation of precipitate
appearance of gas bubbles
Can organic compounds be found in nonliving things
yes like fishing line.
What is an advantage of nuclear power
What is the differences between endothermic and exothermic reactions
endothermic takes in energy
exothermic releases energy
What are the two types of organic compounds
carbohydrate and hydrocarbon
What are the 3 types of radioactive decay
Alpha
Beta
Gamma
Balance the equation: HCl= H2+Cl2
2HCl= H2+Cl2
What information does a chemical formula contain
Types of atoms in the molecule
Number of each atom in the molecule
How is a nuclear reaction different from a chemical reaction
Chemical rearranges the atoms
Nuclear changes the nucleus
Balance the equation: H2+O2=H2O
2H2+O2=2H2O
How many valence electrons does carbon have
4
What are two ways radioactive decay are used
To date remains
To find and treat diseases