Evolution Of Cells + Chemistry Of Life

Question 1

When did earth form?

Answer 1

4.5 Billion years ago

Question 2

Age of oldest known rock?

Answer 2

3.9 Billion years

Question 3

Chemical indicator of organic synthesis

Answer 3

C^12 : C^13 ratio

Question 4

Atom

Answer 4

Smallest unit of matter
Has all chemical properties of an element
Nucleus
Outer region

Question 5

Nucleus

Answer 5

Center of atom
Has Protons and Neutrons

Question 6

Outermost region of atom

Answer 6

Electrons in orbit around nucleus

Question 7

Proton Charge

Answer 7

+1

Question 8

Proton Mass (amu)

Answer 8

1

Question 9

Proton location

Answer 9

Nucleus

Question 10

Neutron charge

Answer 10

0

Question 11

Neutron mass

Answer 11

1

Question 12

Neutron location

Answer 12

Nucleus

Question 13

Electron charge

Answer 13

-1

Question 14

Electron mass

Answer 14

0

Question 15

Electron location

Answer 15

Orbitals

Question 16

Arrangement of subatomic particles

Answer 16

S-L
Proton/Neutron > nucleus > orbital/electron

Question 17

Atomic #

Answer 17

of proton

Every element has unique #

Question 18

Atomic mass

Answer 18

Mass of atom
# of proton+neutron
amu

Question 19

How to calculate neutrons

Answer 19

Atomic # - atomic mass

Question 20

Oldest bacteria age

Answer 20

3.5 BYA

Question 21

Microbes age

Answer 21

Quebec
3.77 BYA or 4.28 BYA

Question 22

Microfossils age

Answer 22

3.1-3.4 BYA

Question 23

Eukaryotic cells

Answer 23

~2BYA

Question 24

Atmosphere ingredients

Answer 24

CO, CO2, H2, N2, NH3, CH4, H2S, H2O vapor
No ozone, H2 is reactive

Question 25

Organic compounds of life

Answer 25

Monomer
Polymers

Question 26

Chemical Bond

Answer 26

Attractive force that links atoms to make molecules

Question 27

Chemical bond types

Answer 27

Ionic
Covalent (Polar/nonpolar)
Hydrogen

Question 28

Iconic bond

Answer 28

Atoms give up/gain electrons

Question 29

Covalent bond

Answer 29

Electrons are shared

Question 30

Double bond

Answer 30

Electrons sharing more than one set of electrons

Question 31

Polar covalent bond

Answer 31

Unequal sharing of electrons
Water

Question 32

Non-Polar covalent bond

Answer 32

Electrons shared equally between atoms

Methane (CH4)

Question 33

Hydrogen bond

Answer 33

+hydrogen and -of more electro negative atom on another molecule

Question 34

Van der Waals interaction

Answer 34

Weak attraction/interaction between two or more molecules (close) bc changes in electorn density