atoms + reactions

Question 1

where are the protons located

Answer 1

nucleus

Question 2

where are the neutrons located

Answer 2

nucleus

Question 3

where are the electrons located

Answer 3

orbitals

Question 4

what is the mass of a proton

Answer 4

1

Question 5

what is the mass of a neuton

Answer 5

1

Question 6

what is the mass of an electron

Answer 6

1/1836

Question 7

what is the charge of a proton

Answer 7

+1

Question 8

what is the charge of a neutron

Answer 8

0

Question 9

what is the charge of an electron

Answer 9

-1

Question 10

what is an atomic number

Answer 10

the number of protons

Question 11

what is a mass number

Answer 11

number of protons + neutrons

Question 12

what are isotopes

Answer 12

atoms of same element with the same number of protons, but different numbers of neutrons

Question 13

why do isotopes have similar chemical properties

Answer 13

they have the same electronic
structure

Question 14

why do isotopes have different physical properties

Answer 14

they have different masses

Question 15

what is relative isotopic mass

Answer 15

mass of one isotope compared to one twelfth of the mass of one atom of carbon-12

Question 16

what is relative atomic mass

Answer 16

weighted mean mass of one atom compared to one twelfth of the mass of one atom of carbon-12

Question 17

what is relative molecular mass

Answer 17

average mass of a molecule
compared to one twelfth of the mass of one atom of carbon-12

Question 18

how do you calculate RAM using mass spectra and mass spectra data

Answer 18

= sum of isotopic mass x % abundance / 100