Term
| What are the 6 elements that make up 95% of the weight of all living things? |
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Definition
| CHONPS(Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus, and Sulfur) |
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Term
| How many protons are in one atom of oxygen? |
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Definition
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Term
| If an isotope of carbon has a mass number of 14 how many neutrons are in this isotope? |
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Definition
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Term
| How many electrons does one atom of Nitrogen have in the second shell? |
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Definition
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Term
| Which subatomic particles are located inside the nucleus of an atom? |
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Definition
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Term
| Will sodium gain or lose an electron(s) to meet the octet rule? |
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Definition
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Term
| Which type of bond involves electrons being shared between atoms? |
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Definition
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Term
| Water has a relatively low heat capacity compared to other substances? T/F? |
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Definition
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Term
| The pH of blood is ____ than 7.0? |
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Definition
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Term
| Does water have a low surface tension? |
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Definition
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Term
| One water molecule is attracted to another water molecule through? |
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Definition
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Term
| Electrons shared equally in a single covalent bond result in what type of a covalent bond? |
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Definition
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Term
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Definition
| Anything that takes up space and has mass. |
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Term
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Definition
| Basic substances that make up living and non living things |
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Term
| What is the smallest portion of an element that retains the characteristics of that element? |
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Definition
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Term
| The atomic number represents the number of ? |
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Definition
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Term
| The mass number represents the number of? |
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Definition
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Term
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Definition
| Atoms of the same element with different number of nuetrons |
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Term
| How many electrons can the first shell of an atom hold? |
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Definition
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Term
| How many electrons can the 2nd and 3rd shell of an atom hold? |
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Definition
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Term
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Definition
| When atoms(besides hydrogen) react with other atoms to have and outer shell of 8 electrons |
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Term
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Definition
| an Attraction between oppositely charged ions. |
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Term
| What happens to ionic bonds in water? |
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Definition
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Term
| What types of atoms for ionic bonds? |
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Definition
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Term
| If one atom in a covalent bond is much larger and attracts the electrons of the bond toward itself the resulting covalent bond is? |
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Definition
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Term
| Generally what atoms form covalent bonds? |
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Definition
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Term
| What type of bond is an attraction of a slightly positive hydrogen to a slightly negative hydrogen? |
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Definition
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Term
| Would one hydrogen bond be weak? |
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Definition
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Term
| Which compounds can dissolve in water? |
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Definition
| Ionic(salt) and polar(ethanol) |
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Term
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Definition
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Term
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Definition
| Repels water, they are nonionized and nonpolar. |
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Term
| The ability of water molecules to cling to each other is due to hydrogen bonding what is this called? |
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Definition
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Term
| Ability of Hydrogen molecules to cling to other polar surfaces is called? |
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Definition
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Term
| Solutions that have a pH less than 7 are? |
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Definition
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Term
| Solutions that have a pH more than 7 are? |
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Definition
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Term
| What is the chemical/combo of chemicals that keep pH in normal limits called? |
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Definition
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Term
| What type of covalent bond exists between 1 carbon and 1 flourine atom? |
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Definition
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Term
| What type of covalent bond exists between 2 Nitrogen atoms? |
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Definition
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Term
| What type of covalent bond exists between 1 oxygen atom and 1 carbon atom? |
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Definition
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