chem

Question 1

proton symbol

Answer 1

p+

Question 2

neutron symbol

Answer 2

n*

Question 3

proton symbol

Answer 3

e-

Question 4

proton neutron and electron charges

Answer 4

proton-1 neutron-0 electron-1-

Question 5

proton neutron and electron mass

Answer 5

proton and neutron=1.00 electron=negligible

Question 6

location of protons neutrons and electron

Answer 6

proton=nucleus neutron=nucleus electron=orbits the nucleus

Question 7

whats the mass number and how is it calculated

Answer 7

the number of particles in the nucleus
mass # = protons plus neutrons

Question 8

how do isotopes of the same elements differ

Answer 8

different number of neutrons, same number of protons

Question 9

how do you fine the atomic number

Answer 9

its the protons

Question 10

protons+neutron=____

Answer 10

mass #

Question 11

charge of ion=#p-#e

Question 12

why is atomic mass not a whole number

Answer 12

its a weighted average of the masses of each isotope

Question 13

atomic mass formula=

Answer 13

(abundance) (percentage)

Question 14

energy is directly porportional to____

Answer 14

frequency

Question 15

frequency is inversely porportional to____

Answer 15

wavelength

Question 16

longer wavelength=

Answer 16

lower frequency

Question 17

shorter wavelenght=

Answer 17

higher frequency

Question 18

lower frequency=

Answer 18

lower energy

Question 19

higher frequency=

Answer 19

greater energy

Question 20

law of conservational mass

Answer 20

mass cant be created of destroyed

Question 21

law of definite compostition

Answer 21

a chemical compound always contains the same element s in exaclty the same porportions by mass

Question 22

which part of Daltons theory was disproved

Answer 22

all elements are composed of atoms

Question 23

what did thompson discover

Answer 23

electrons

Question 24

what did rutherford discover

Answer 24

atoms are mosty empty space

Question 25

whats the ground state of an atom

Answer 25

lowerst energy position

Question 26

whats the excited state of an atom

Answer 26

its highest energy position

Question 27

how does an electronic transition occur

Answer 27

can move from one energy level to anothwr when the atom gains or loses quantum

Question 28

rutherford

Answer 28

atoms are mostly space

Question 29

thomspon

Answer 29

atoms must have something something positibe to combat the negative, discovered electrons