Atomic structure, Elements and Compounds

Question 1

what are atoms made up of

Answer 1

protons
neutrons
electrons

Question 2

what goes on the electronic structure

Answer 2

atomic number ( number of protons and electrons)

Question 3

how do you find the neutrons

Answer 3

take the atomic number away from the mass number

Question 4

what are isotopes

Answer 4

isotopes are atoms that have the same number of protons and electrons (atomic number) but different numbers of neutrons (mass number)

Question 5

what charge does protons neutrons and electrons have

Answer 5

protons - positive
neutrons - neutral
electrons - negative

Question 6

the group number is going down the periodic table but it also shows…..

Answer 6

the number of electrons in the outer shell

Question 7

the period number is going across the periodic table but it also shows…

Answer 7

the number of shells on the electronic structure

Question 8

name some properties of metals

Answer 8

dense
shiny
hard
ductile
strong
good conductors of heat

Question 9

name some properties of non metals

Answer 9

dull
soft
brittle
low density
insulators of heat

Question 10

what is an element made up of

Answer 10

only 1 type of atom

Question 11

what are compounds made up from

Answer 11

2 or more different types of atom that are chemically combines

Question 12

what are mixtures made up from

Answer 12

2 or more elements compounds or molecules that are not chemically bonded together

Question 13

Do metal atoms lose or gain electrons

Answer 13

They lose electrons to make positive ions

Question 14

Do non metals lose or gain electrons

Answer 14

They gain electrons to make negative ions