Periodic Table Basics

Question 1

Elements in the same period have what in common?

Accepted Answer

Number of occupied energy levels

Question 2

The most reactive nonmetal on the periodic table is

Accepted Answer

Flourine

Question 3

Who created the first periodic table?

Accepted Answer

Mendeleev

Question 4

What is NOT true of the group of elements shown.

Accepted Answer

They are very reactive

Question 5

What are valence electrons

Accepted Answer

Electrons in the outermost energy level

Question 6

How is the modern periodic table arranged?

Accepted Answer

Increasing atomic number

Question 7

What is the general trend in reactivity of the metals as you move down a group?

Accepted Answer

More reactive at bottom

Question 8

What is the most reactive group of metals?

Accepted Answer

Alkali metals

Question 9

Horizontal rows on the periodic table

Accepted Answer

Periods

Question 10

Number of valence electrons increases as you move

Accepted Answer

across a period

Question 11

How many valence electrons does Nitrogen have?

Accepted Answer

5

Question 12

Vertical columns on periodic table

Accepted Answer

groups

Question 13

The ability of a metal to be drawn into a wire is a property known as

Accepted Answer

ductility

Question 14

Matter can never be created or destroyed (what goes in must come out) is the...

Accepted Answer

Law of Conservation of Matter

Question 15

Which of the following is a true statement about the closed system in the picture?

Accepted Answer

The mass of both containers is the same

Question 16

What is the name of group 2?

Accepted Answer

Alkaline Earth Metals

Question 17

Metals have all of the properties listed EXCEPT...

Accepted Answer

Brittle

Question 18

What elements are to the right side of the stair step line?

Accepted Answer

nonmetals

Question 19

What elements are located along the stair-step line?

Accepted Answer

metalloids

Questions 19