atomic structure and periodic table

Question 1

what relative mass, relative charge does a proton have

Answer 1

relative mass: 1

relative charge: positive 1

Question 2

what relative mass, relative charge does a neutron have

Answer 2

relative mass: 1

relative charge: 0

Question 3

what relative mass, relative charge does a electron have

Answer 3

relative mass: very small

relative charge: negative 1

Question 4

what is the number of protons on an element

Answer 4

the atomic number

Question 5

what is the number of neutrons on an element

Answer 5

the atomic number

Question 6

what is the number of electrons on an element

Answer 6

mass number - atomic number

Question 7

what is the number on top of an element

Answer 7

the mass number

Question 8

what is the number on the bottom of an element

Answer 8

the atomic number

Question 9

define what isotope is

Answer 9

it is the same element but with different amounts neutrons

Question 10

how do you work out the relative atomic mass

Answer 10

total mass of atoms
————————————— = relative atomic mass
total number of atoms

Question 11

how do you work out the total mass of atoms

Answer 11

the mass number x the abundance

Question 12

how do you work out the total number of atoms

Answer 12

Both mass numbers added together

Question 13

how is the modern periodic table organised

Answer 13

it’s organised by increasing atomic number

Question 14

what does it mean be the term group

Answer 14

all the numbers in the group have the same number of electrons in there outer shell

Question 15

what dopes it mean by the term period

Answer 15

when those elements were discovered