Quiz 2

Question 0

Newtons 2nd law

Answer 0

• force that acts on an object is equal to the mass of the object multiplied by acceleration
• F=MA

Question 1

Newtons 1st law

Answer 1

• inertia-resist change in its state of motion

* a body at rest will remain at rest or continue moving unless acted upon by an external force

Question 2

Newtons 3rd law

Answer 2

•to every action there is an equal & opposite reaction

Question 3

Law of conservation of energy

Answer 3

• energy can neither be created nor destroyed

* however it can change to a different amount of energy

Question 4

Potential energy

Answer 4

• stored energy

* position of an object

Question 5

Neil Bohr

Answer 5

•proposed the structure of an atom is like a solar system

Question 6

Nucleus of an atom

Answer 6

• positively charged core of atom

* contains almost the entire mass of atom

Question 7

Protons

Answer 7

•positively charged particles

Question 8

Neutrons

Answer 8

• neutral particles
• no change
• does not influence chemical behavior

Question 9

Binding energy (energy level)

Answer 9

• nuclear glue
• holds nucleus together
• K is higher than L
• the more tightly bound the harder it is to eject from its shell

Question 10

Energy state of an atom

Answer 10

•positive

Question 11

(Shell) electrons

Answer 11

• negatively charged

* orbit nucleus & spin while orbiting

Question 12

Orbit shells K & L

Answer 12

• K=2
• L=8
• K & L must contain there max electrons
• M-Q can have a min of 8 max

Question 13

Energy state of shell

Answer 13

• negative
• K lowest state
• Q highest energy state
• higher the energy state the more willing it is to give up its energy

Question 14

Atomic #

Answer 14

• # of protons in nucleus

* found on bottom left

Question 15

Mass #

Answer 15

• # of protons & neutrons

* found on top left

Question 16

Atomic weight

Answer 16

• mass of a atom

* relative to atom of carbon 12 isotopes

Question 17

How to find out how many neutrons in an ATOM

Answer 17

•Mass # - Atomic #

Question 18

Periodic table

Answer 18

•orderly arrangement from low to high atomic #

Question 19

Ionization

Answer 19

•addition/removal of electron

Question 20

Isotopes

Answer 20

• atoms that have the same # of protons but diff. # of neutrons
• more or less neutrons

Question 21

Columb’s law

Answer 21

• inverse square law

* X-ray quantity is inversely proportional to the square of its distance

Question 22

Attraction/repulsion

Answer 22

• opposite charges attract

* like charges repel

Question 23

When a positron interacts with an electron what happens

Answer 23

• annihilation of both
• 2 photons are released in opposite direction
• B+ symbol
• shares energy with negatron

Question 24

Concentration of charges on curved surface

Answer 24

•where the curve is the greatest

Question 25

Alpha

Answer 25

* symbol looks like a fish a * cannot penetrate skin * highly ionizing * gives up energy quickly * high LET

Question 26

Negatron

Answer 26

* symbol B- * high penetration * bremsstrahlung

Question 27

Earth is a natural ground cuz

Answer 27

* it supplies an endless supply of electrons | * ability to accept & give electrons

Question 28

Wave length

Answer 28

•distance between crest to crest

Question 29

Frequency

Answer 29

•# of crests per sec(Hz)

Question 30

Amplitude

Answer 30

•hight of wave

Question 31

What has longer wave length visible light or xray

Answer 31

•visible light

Question 32

•atomic mass when protons electrons and atom is normal

Answer 32

•0

Question 33

• symbol of ground

Answer 33

* upside down Xmas tree | * potential 0

Question 34

Conduction

Answer 34

•transfer of heat by molecular motion

Question 35

Convection

Answer 35

•mechanical transfer of Hot molecules in a gas or liquid form

Question 36

Periodic table groups vertical columns

Answer 36

• similar chemical properties

Question 37

Periodic table periods (horizontal row)

Answer 37

* same # of shells but different chemical properties | * Periods

Question 38

Valence

Answer 38

•# of electrons in outer shell

Question 39

Ionic bond

Answer 39

•negative & positive ions attract forming a compound

Question 40

Polar covalent bonding

Answer 40

* sharing of outer orbital electrons | * tight bond

Question 41

Inherent elements

Answer 41

•outermost shell full (stable) cannot enter into chemical bond

Question 42

Gamma

Answer 42

* symbol Y * r produced inside nucleus * radioactive atom

Question 43

External force

Answer 43

•force applied causing deformity

Question 44

Weber

Answer 44

•magnetic theory's