Elements

Using this image, which piece of information is the chemical symbol?

• 54

• Xenon

• Xe

• 131.293

Using this image, which piece of information is the element name?

• 54

• Xenon

• Xe

• 131.293

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

Tags

NGSS.MS-PS1-1

What is the name of the element with the chemical symbol Ga?

• Gallium

• Hydrogen

• Gillespeum

• Georgiaian

What is the name of the element with the chemical symbol Pu?

• Plutonium

• Phosphorous

• Lead

• Cobalt

Which of the following is the best description of an element?

• A substance that cannot be broken down into simpler substances.

• A naturally occurring mineral made of more than one substance.

• A small particle made with a specific chemical composition.

• A collection of atoms that have different abilities when joined together.

Which of the following represents an element?

• H₂O

• HCl

• NaCl

• Au

• CaCO₃

Each column in the periodic table is called a _________ .

• period

• group

• cluster

• unit

Periods on the periodic table are __________.

• Horizontal Rows

• Vertical Columns

How are elements on the periodic table arranged by?

• in alphabetic order

• simular physical & chemical properties

• their symbols

• Just simular physical properties