Atom & Periodic Table Physical Science

What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

How many electrons do alkaline earth metals have in their outer shell?

What is the family name of group 17?

Aluminum (Al) has a mass number of 27. What is the number of neutrons in this isotope?

Which family always has 2 valence electrons?

Groups/families are represented by

A(n) __________ is an atom that has the same number of protons but different number of neutrons

The periodic table is arranged by...

Which element will most likely form a 2+ ion?

Which of the following is a member of the noble gas family and in the sixth energy level?

Why is helium a noble gas?

Which of the following makes up 2/3 of the elements on the periodic table?

The period number corresponds to the number of __________ in an atom.

Which of the following is a metal?

What type of element will most likely gain electrons?

How many protons does nitrogen - 15 contain?

How many energy levels does Sulfur have?

What is the charge of an ion with 8 protons and 10 electrons?

Which of the following elements is brittle and a poor conductor?

What does the atomic number tell you about an atom?

Metals are found ________ the stair step line on the periodic table.

What group is calcium in?

Which element is Oxygen most similar to on the periodic table?

Which of the following is the most reactive metal?

What type of ion does a metal form?