The Atom & Periodic Table

How many valence electrons does a sodium atom have?

How many electrons does the sodium ion have?

Which family gives one electron to satisfy the Octet Rule?

Which family needs to gain one electron to satisfy the Octet Rule?

Which group on the periodic table has an electron configuration ending in s2p6?

Which family does uranium belong?

What is different between two isotopes?

Which group of the periodic table is the same as the d-block?

Which group is the most reactive of the nonmetals?

Which group on the periodic table has an electron configuration ending in s1?

Which group on the periodic table has an electron configuration ending in s2p5?

Which family does calcium belong?

How many protons does sulfur have?

Which family does chlorine belong?

Which group do most of the elements on the periodic table belong?

How many electrons does a neutral atom of sodium have?

Which group on the periodic table has the electron configuration that ends in s2?