chemistry

Question 1

is the atomic number at the top or bottom of the box in the periodic table

Answer 1

bottom

Question 2

is the atomic mass at the top or bottom of the box in the periodic table

Answer 2

top

Question 3

the number of protons is equal to 2 things, what are they

Answer 3

atomic number and number of electrons

Question 4

how do you work out the number of neutrons

Answer 4

atomic mass - number of protons

Question 5

what is the outer shell called

Answer 5

valence shell

Question 6

what is an isotope

Answer 6

an atom with the same number of protons but different number of neutrons

Question 7

an atom with only 1 ion ends in ….

Answer 7

……ide
e.g. fluoride, chloride

Question 8

an atom with multiple ions ends in ……..

Answer 8

…….ate
e.g. nitrate, sulfate

Question 9

what is a compound ion

Answer 9

an ion made up of more than one type of atom

Question 10

is a cation a positive or negatively charged ion

Answer 10

positive

Question 11

is an anion positive or negatively charged

Answer 11

negatively

Question 12

how will ions combine

Answer 12

in a ratio so that the resultant compound is electrically neutral i.e. the number of positive charges =the number of negative charges

Question 13

if an atom gains electrons does it have a positive or negative charge

Answer 13

negative

Question 14

if an atom loses electrons does it have a positive or negative charge

Answer 14

positive