The Ties that Bind

Question 1

What are atoms made of?

Answer 1

electrons, protons and neutrons

Question 2

What is the natural charge of atoms?

Answer 2

no charge, neutral

Question 3

What gives an atom its neutral charge?

Answer 3

the same amount of protons and electrons

Question 4

What are the two important classes of chemistry?

Answer 4

inorganic and organic

Question 5

What is inorganic chemistry?

Answer 5

chemistry of small molecules, in both living and nonliving world

Question 6

What is organic chemistry?

Answer 6

chemistry of large carbon bonded molecules

Question 7

CHONPS?

Answer 7

Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorous, Sulfur

Question 8

Define: proton

Answer 8

hadron, positive electrical charge, with a mass of 1

Question 9

Define: neutron

Answer 9

hadron, no charge, mass of 1

Question 10

Define: electron

Answer 10

lepton, negative charge, has no mass

Question 11

What is it called when the number of protons and electrons aren’t equal?

Answer 11

isotope

Question 12

Define: isotope

Answer 12

unequal amount of protons and electrons

Question 13

The number of protons make up the…

Answer 13

atomic number

Question 14

The number of protons and neutrons make up the…

Answer 14

atomic mass

Question 15

What happens when an atom becomes charged?

Answer 15

it becomes an ion

Question 16

What happens when an atom loses an electron?

Answer 16

it has a positive charge

Question 17

What happens when an atom gains an electron?

Answer 17

it has a negative charge

Question 18

What makes an atom unstable?

Answer 18

if its outermost shell is not full

Question 19

What are chemical bonds?

Answer 19

bonds that are formed when an atom is left unstable

Question 20

Define: ionic bond

Answer 20

forms between two ions, but weak enough to be dissolved by water

Question 21

Define: covalent bond

Answer 21

forms when a pair of electrons are shared

Question 22

Define: double covalent bond

Answer 22

forms when two pairs of electrons are shared

Question 23

Define: tripple covalent bond

Answer 23

forms when three pairs of electrons are shared

Question 24

Define: polar covalent bond

Answer 24

forms when one large atom is bonded to a smaller atom, the electron spends a longer time with the larger atom

Question 25

List the three week interactions

Answer 25

hydrogen bonds, hydrophobic interactions, van der waals forces

Question 26

What are hydrogen bonds?

Answer 26

non-chemical bonds that are polar covalent that masker molecules stick if they encounter a charged surface

Question 27

Properties of hydrogen bonds include…

Answer 27

a slightly positive hydrogen and a slightly negative oxygen

Question 28

What is a hydrophobic interaction?

Answer 28

repulsion from water, herded together by the jostling of water

Question 29

What are van der waal interactions?

Answer 29

when the negative charge of a cloud is slightly attracted to the positively charge nucleus

Question 30

Why do covalent bonds become temporarily ionic?

Answer 30

rapidly switching poles