The Periodic Table C9

Question 1

rows in periodic table

Answer 1

periods

Question 2

columns in periodic table

Answer 2

groups

Question 3

arranged order

Answer 3

increasing atomic number

Question 4

ways of classifying elements

Answer 4

states, metal or non-metal, natural or synthetic

Question 5

2 liquid elements in room temp

Answer 5

mercury & bromine

Question 6

synthetic elements

Answer 6

all elements after proton number 94 are synthetic (artificial)

Question 7

elements in the same group

Answer 7

same number of electrons in the shell