Vocab
Review
Test Questions
Test Questions 2
Grab Bag
100
Two or more substances that have been PHYSICALLY combined
What is mixture?
100
Salt water is an example of a __________
What is mixture?
100
A solid that contains atoms arranged in a regular pattern is a..... a)structural formula b)compound c) crystal d) mixture
What is crystal
100
An example of a carbohydrate is _______
What is sugar, bread, etc.?
100
The candy is stored where in Mr. Johnson's room
What is White Sox helmet?
200
A bond formed between atoms that have gained or lost electrons
What is ionic bond
200
An atom with an electrical charge
What is ion
200
Organic compounds contain the element
What is carbon
200
A molecule of water contains two hydrogen atoms and one ______________ atom
What is oxygen
200
Electrons have a __________ charge
What is negative?
300
Large molecules that are formed by many smaller, simpler molecules
What is polymers
300
Sugars and starches
What is carbohydrates
300
Cholesterol can be a harmful.... a) carbohydrate b) lipid c) amino acid d) protein
What is lipid
300
A neutral atom becomes a positive ion when it a) gains an electron b)gains a proton c) loses an electron d) loses a proton
What is c) loses an electron
300
300 points each... Covalent bonds involve ______ electrons while Ionic bonds involve ________ electrons
What is sharing/giving (gained-lost)
400
Building blocks of proteins
What is amino acids
400
The force of attraction that holds atoms together
What is chemical bond
400
In a covalent compound, electrons are
What is shared
400
Organic compounds used to build and repair the body are a) proteins b)cholesterol c)carbohydrates d)lipids
What is a)proteins
400
What is Francisco's favorite name generator is ____?
What is typewriter?
500
Electron in the outermost energy level of an atom
What is valence electron
500
A salt and water mixture can be separated by_____
What is evaporation
500
An organisms main source of energy comes from
What is carbohydrates
500
Carbon atoms can join together in a a)single bond b)double bond c)triple bond d) single, double, triple bond
What is d) single, double, triple bond
500
95 percent of all substances are ________ compounds
What is organic
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