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Basic Chemistry of Life Flashcards | StudBud

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Basic Chemistry of Life

12 terms·StudBud Administration·65 plays

Used to review the chemistry of life

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Questions 12

Answers

1
Hydrophobic means
hates water
swims in water
drinks water
likes water
2
Which of the variables is independent and which is dependent?
c is the independent variable & m is the dependent variable
m is the independent variable & c is the dependent variable
3
Elements
one of a class of substances that cannot be separated
something that goes round and round
a pure substance that can be broken down
a pure substance that cannot be broken down
4
What are Covalent molecules made up of?
Electrons
Non-metals
Transition metals
Neutrons
5
Which of the following is not an element?
Calcium
Helium
Salt
Lead
6
what is a periodic table
😁
noun Chemistry
a table of the chemical elements arranged in order of atomic
7
Hydrogen bonds are weak, but can hold water molecules together by bonding which way?
the hydrogens of each molecule bond together
the oxygen of one molecule bonds to the hydrogen of another molecule
the oxygens of each molecule bond together
8
what charge do protons have?
postive
none of the above
No charge
Negative
9
This term is used to determine the number of protons in the nucleus of an atom.
atomic mass
group number
atomic number
period number
10
What is the basic unit of matter?
atom
organisms
elements
cell
11
Oil is hydrophobic, which means...
Should not be in water
Not soluable in water
Found under water
More dense than water
12
Protons have a BLANK charge.
Positive
Happy
Sad
Negative