Periodic Table

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

Rows on the periodic table are called what?

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

What repeats in the periodic table?

Which general statement does NOT apply to metals?

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

These are on the left side of the periodic table

Which of the following is an alkaline earth metal?

In what period is cesium?

Groups in the periodic table are

The atomic mass of an element is

How many protons does calcium have?

Who organized the periodic table?

Chlorine is in what family?

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

What group is nitrogen in?

Elements in the oxygen family have how many valence electrons?

How many protons does carbon have?

The usefulness of Mendeleev’s periodic table was confirmed by

What is the name of group 7A?

The majority of elements on the periodic table are

How many valence electrons does magnesium have?

What is the unit of measure for mass of protons?

Isotopes of an element have different numbers of what?

Which of the following is not a good conductor?

Group 8a or 18 contains

What is a period in chemistry?

Which list of elements contains only metals?

physical properties of most metals include

Isotopes of an element have the same number of what?

Arsenic is a what?

elements are arranged in increasing