Periodic Table

How many valence electrons does magnesium have?

Which general statement does NOT apply to metals?

Which of the following is an alkaline earth metal?

These are on the left side of the periodic table

How many protons does carbon have?

The atomic mass of an element is

Arsenic is a what?

Two highly reactive elements in Period 2 are the metal lithium and the

Isotopes of an element have different numbers of what?

From left to right across a row, which increases by exactly one from element to element?

The usefulness of Mendeleev’s periodic table was confirmed by

What group contains one nonmetal, two metalloids and two metals?

Who organized the periodic table?

Which list of elements contains only metals?

elements are arranged in increasing 

How many protons does calcium have?

Which of the following is not a good conductor?

Groups in the periodic table are

The majority of elements on the periodic table are

Group 8a or 18 contains

What is the unit of measure for mass of protons?

Rows on the periodic table are called what?

Chlorine is in what family?

physical properties of most metals include

Elements in the oxygen family have how many valence electrons?

What is a period in chemistry?

Isotopes of an element have the same number of what?

In what period is cesium?

Mendeleev arranged the known chemical elements in a table according to increasing

What group is nitrogen in?

What repeats in the periodic table?

What is the name of group 7A?