PS The Periodic Table

Which of the following are the highly reactive Group 1 elements?

Elements that have 1 valence electron tend to

Mendeleev left gaps in his periodic table because

Which of the following is a type of element that has properties of metals and nonmetals?

Each element in an element family share the same

Most elements on the left side of the periodic table are

Most nonmetals are

When can semiconductors conduct heat and electricity?

What is the location of elements in the periodic table related to?

As you move from left to right across the periodic table, elements

Magnesium (Mg) is located to the right of sodium (Na) because Mg has

The three main groups of elements are metals, nonmetals, and

The periodic law states that elements that have similar properties appear

Atoms that gain or lose electrons are called

Most elements are

How do you know that potassium, an alkali metal, is highly reactive?

What is Mendeleev known for?

Which of the following is not true of noble gases?

Which of the following are the reactive elements of Group 17 that are poor conductors?

Which of the following are the somewhat reactive elements in Groups 3-12?

As you move from up to down in a column of a periodic table, elements have

Which of the following are the Group 2 elements with 2 valence electrons?

Elements that belong to the same group have the same number of

In Mendeleev's periodic table, elements in each column had similar

Each column of the periodic table is

Group 17 elements form

When did Mendeleev create a new row in his periodic table?

Because they differ in # of p+ and # e- in their inner energy levels, elements in a group

How was Mendeleev's periodic table arranged?

Elements in an element family have similar