General Science
Observations, hypothesis, testing of the hypothesis, and theory.
What is the scientific method?
NaHSO4 has this many atoms.
What is 7?
The number of valence electrons needed to make most atoms stable.
What is 8?
What are carbohydrates, proteins, and fats?
Both DNA and cookbooks contain these.
What are recipes?
The relationship determined by dividing the first quantity by the second quantity.
What is a ratio?
Substances that are composed of positive and negative ions.
What are ionic compounds?
A covalent compound containing carbon atoms.
What is an organic compound?
These are what hold the helixes in DNA together.
What are hydrogen bonds between the nucleotide bases?
A simple sugar that contains 3 to 10 carbon atoms.
What is a monosaccharide?
A force that acts on an object moving in a circle, directed toward the center of a circle.
What is centripetal force?
A chemical bond made by sharing electrons.
What is a covalent bond?
C11H12N2O2 has this many atoms.
What is 27?
A lipid that is liquid at room temperature and has at least one double bond between carbon atoms.
What is unsaturated fat?
The 3-letter abbreviation of the third amino acid in the following protein chain:
H2N - (Cys) - (Ser) - (Leu) - (Tyr) - (Gln) - COOH
What is Leu?
A measure of how much matter exists in an object.
What is mass?
The element vanadium (“V”)'s mass and abbreviation of its most common isotope.
What is 51V?
The chemical formula and name of the compound formed when lithium (Li) and oxygen (O) are mixed together.
What is lithium oxide, Li2O?
The specific order in which amino acids link together, determined by a gene in the organism's DNA.
What is a primary structure?
One helix of DNA has adenine, then cytosine, then thymine, and then guanine. This is the order of the nucleotide bases on the same part of the other helix.
What is thymine, then guanine, then adenine, then cytosine?
In any non-nuclear process, the total mass of everything involved must remain the same.
What is the Law of Mass Conservation?
Give the Lewis structures for the ions that each of the following atoms would become in an ionic compound: gallium (Ga), iodine (I), and cesium (Cs)
Ga3+, I-(8 dots), Cs+
Give the name and Lewis structure for the ionic compound formed between calcium (Ca) and oxygen (O).
Ca2+, O2- (8 dots), and the name is calcium oxide
The number of amino acids in the following protein chain:
H2N - (Cys) - (Ser) - (Leu) - (Tyr) - (Gln) - COOH
What is 5?
Isomers.
What are compounds with the same chemical formula but different arrangements of atoms, which leads to different chemical properties?