Midterm 1- Random Important Info

Question 1

In words only write the equation for conservation of energy described by the photo electric effect

Answer 1

energy of photon- work function=kinetic energy

Question 2

Describe the conceptual change that arose from the photoelectric experiment

Answer 2

light behaves as both a partial and as a wave

Question 3

What is the wavelength of visible light spectrum

Answer 3

400-700 nm

Question 4

What his the wavelength of red light

Answer 4

400 nm

Question 5

What is the wavelength of violet light

Answer 5

700nm

Question 6

What is the general region of fequency for visible light

Answer 6

10^12

Question 7

___________ the more electrons the less tightly the nucleus can pull them together

Answer 7

ionic radius increases as you move down periodic table

Question 8

_______________________________ The nucleus has less control when electrons are not balanced

Answer 8

ionic radius increases as you move left on periodic table

Question 9

Which of the following experiments most directly support de broglie’s hypothesis of the wave nature of matter?

Answer 9

Electron diffraction by crystal

Question 10

___________ and number of bonds are inversely proportional

Answer 10

bond length

Question 11

_______________ is an ions ability to attract electrons

Answer 11

polarization power

Question 12

polarization power increases as you move ___________

Answer 12

up and right

Question 13

__________________ is the opposite of polarization power. It is an atoms ability to be attracted

Answer 13

Polarizable

Question 14

Polarization increases as you move

Answer 14

left and down

Question 15

Bond Strength=

Answer 15

number of bonds in that bond divided by total bond

Question 16

___________ is the inverse of bond length

Answer 16

bond strength

Question 17

When electrons are shared unequally, chemists characterize these types
of bonds as _​​_____.

Answer 17

polar covalent bond

Question 18

Chemical bonds formed by the attraction of oppositely charged ions are
called ________.

Answer 18

​ionic bond​

Question 19

c. If atom X forms a diatomic molecule with itself, the bond is ____​_____.

Answer 19

non polar

covalent​

Question 20

Atomic radius increases as you move

Answer 20

left and down the periodic table

Question 21

__________________ how hard is it to remove electron.

Answer 21

ionization energy

Question 22

ionization energy increases as you move

Answer 22

up and right on the periodic table

Question 23

_________ like electron affinity

Answer 23

electronegativity

Question 24

electronegativity increases as you move _________________________ on periodic table

Answer 24

right and up

Question 25

_________ how good are you at getting electrons

Answer 25

electron affinity

Question 26

____________ electron affinity increases as you move

Answer 26

up and right