The Periodic Table

Question 1

The symbol "B" on the Periodic Table represents the element ______________.

Accepted Answer

Boron

Question 2

How many total protons & neutrons are in the nucleus of a Neon atom, if the atomic # is 10, and the mass # is 20?

Accepted Answer

20

Question 3

There are _____ periods on the Periodic Table.

Accepted Answer

7

Question 4

TRUE or FALSE: The number of protons is always equal to the number of electrons in an atom of an element.

Accepted Answer

TRUE

Question 5

Elements are organized on a chart called the ______________.

Accepted Answer

Periodic Table of Elements

Question 6

The lowest atomic number listed on the Periodic Table is _____.

Accepted Answer

1

Question 7

If Carbon's atomic number is 6 and its atomic mass is 12.01, then how many electrons does an atom of Carbon have?

Accepted Answer

6

Question 8

There are _____ known elements listed on the Periodic Table.

Accepted Answer

118

Question 9

The amount of matter contained in 1 atom of a certain element is called its ________.

Accepted Answer

atomic mass

Question 10

The atomic mass of Zirconium is 91.224. Its atomic number is 40. What is its mass number?

Accepted Answer

91

Question 11

An element is composed of only one type of _______.

Accepted Answer

atom

Question 12

The elements that exist in the middle of the Periodic Table belong to the Family called the "_______" elements.

Accepted Answer

Transition

Question 13

The chemical symbol for Carbon is _____.

Accepted Answer

C

Question 14

There are ____ groups on the Periodic Table.

Accepted Answer

18

Question 15

__________ are elements that look like metals, but behave like nonmetals.

Accepted Answer

metalloids

Question 16

A(n) ______ is a substance that cannot be broken down into simpler materials by chemical processes.

Accepted Answer

element

Question 17

The mass number (rounded number) of an element tells you _____.

Accepted Answer

the total number of particles in the nucleus

Question 18

What chemical symbol represents Potassium on the Periodic Table?

Accepted Answer

K

Question 19

In addition to elements being organized into groups and periods, they are also organized into ________.

Accepted Answer

families

Question 20

If Iron's atomic number is 26 and its atomic mass is 55.85, then how many neutrons does an atom of Iron have?

Accepted Answer

30

Question 21

Group #1 elements are called the __________.

Accepted Answer

Alkali Metals

Question 22

Group #18 elements are called the __________.

Accepted Answer

Noble Gases

Question 23

What element exists in Group #2 & Period #4 on the Periodic Table?

Accepted Answer

Calcium

Question 24

On the Periodic Table, elements are organized by their __________.

Accepted Answer

atomic numbers

Question 25

The atomic number tells you the number of __________ in an atom of that element.

Accepted Answer

# of protons -OR- # of electrons

The Periodic Table

Questions 25

The Periodic Table

Questions 25