Periodic Table - Day 2 (2017)

Which elements are in the 2nd group/ family?

Alkali Metals are in the

Halogens are in the

Groups on the periodic table are the

If Phosphorus (15) has a mass number of 31, how many neutrons does it have?

The atomic number is the same as the number of

Periods on the periodic table are the

If an element has a mass number of 14 and and 8 neutrons, how many protons does it have?

Groups on the periodic table go

The mass number is the same as the number of

Alkaline Earth Metals are in the

An element with 1 proton and 1 neutron has an atomic number of

If an element has a mass number of 14 and and 8 neutrons, what is the element?

Periods on the periodic table go

Noble Gases are in the

An element with 1 proton and 1 neutron has a mass number of