Periodic Table and Elements

How many elements are on the current periodic table?

• 63

• 108

• 118

• 128

Originally, how were the elements on the periodic table arranged by?

• in alphabetic order

• physical & chemical properties

• their symbols

• Just physical properties

What does the 6 represent?

• atomic mass

• atomic number

• element name

• chemical symbol 

Tags

NGSS.MS-PS1-1

The atomic number of this pictured element is

• 28

• 58.6934

• Ni

• Nickel

Tags

NGSS.MS-PS1-1

The ​ (a)   is an organized array of all the chemical elements in order of increasing atomic number.

• periodic table

• atomic mass number

• law of conservation of mass

Answer explanation

The correct answer is 'periodic table'. The question refers to an organized array of all the chemical elements in order of increasing atomic number, which is the definition of the periodic table.

What is the periodic table symbol for Tungsten?

• W

• T

• Tungsten

• 74

What is the Periodic name of the 6th Element?

• 6

• C

• Carbon

• 12.011

Calcium is in Period 4, Group 2 on the Periodic Table of elements. Calcium is a ​ (a)   .

• Metal

• Non Metal

• Metalloid

What is Letter D?

• Periodic Number

• Periodic Symbol

• Periodic Name

• Periodic Mass

The horizontal rows on the Periodic Table are called ​ (a)   . These tell us the number of ​ (b)   the element has.

• periods

• energy levels

• groups

• valence electrons