Semester 1 Pre-AP Chemistry

Question 0

Micro

Answer 0

10^-6

Question 1

Nano

Answer 1

10^-9

Question 2

Milli

Answer 2

10^-3

Question 3

Centi

Answer 3

10^-2

Question 4

Kilo

Answer 4

10^3

Question 5

Mega

Answer 5

10^6

Question 6

Giga

Answer 6

10^9

Question 7

7 prefixes

Answer 7

Nano, micro, milli, centi, kilo, mega, Giga

Question 8

Line electron spectrum

Answer 8

Seperate by a prism, light produced by each element produces a distinctive band of color

Question 9

Photoelectric effect

Answer 9

Light waves struck certain metals, the energy of light knocked off electrons and produced electric current

Question 10

Debroglie

Answer 10

Electrons could act as waves

Question 11

Orbital

Answer 11

3d region of space where electrons could be

Question 12

N

Answer 12

Level valence electrons are on

Question 13

L1

Answer 13

P

Question 14

L2

Answer 14

D

Question 15

L0

Answer 15

S

Question 16

L3

Answer 16

F

Question 17

Aufbau principle

Answer 17

Electrons full lower energy orbitals first

Question 18

Hunds

Answer 18

All orbitals at a given sublevel will fill with one electron before any pairs up

Question 19

Pauli exclusion principle

Answer 19

No more than 2 electrons can occupy a single orbital

Question 20

Atomic radius

Answer 20

Distance between nuclei of two identically bonded atoms of same element. Period: decreases group: increases

Question 21

Electronegativity

Answer 21

How bad the electron wants an atom. Period: increases group: decreases

Question 22

Ie

Answer 22

Amount of energy needed to ionize element period: increases group: decreases

Question 23

Alpha

Answer 23

Atomic: -2 mass: -4

Question 24

Beta minus

Answer 24

Atomic: 1 mass: 0

Question 25

Beta +/EC

Answer 25

Atomic: -1 mass : 0

Question 26

Metallic bond properties

Answer 26

Good conductors, ductile, malleable, luster, high melting point, high strength