Periodic table Year 12

Which element is in period 3?

What number is equal to the total number of protons and neutrons?

Which of these is not acidic?

What is the chemical symbol for tin?

Which of these has the lowest melting point?

What group are called the halogens?

What colour is pure iodine in its standard state?

Which of these is the most reactive?

Which of these has the highest melting point?

Which of these is the most reactive?

What group are called the alkaline earth metals?

Approximately when did Dmitri Mendeleev put the Periodic table together?

Who did not play a major part in organising the elements into groups?

The Periodic table is ordered by…

Which element not in group 0?

What colour is sodium in its standard state?

Which of these is a liquid in its standard state?

What is the chemical symbol for tungsten?

Which is the most electronegative of these elements?

What are the chemical symbols for gold, silver and platinum in the correct order?