Elements

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 could be a symbol on the periodic table of elements?

• CC

• Cc

• cc

• CcC

• CK1

Which of the following is an element?

• Gold

• Air

• Water

• Carbon Dioxide

• Nitrous Oxide

Which of the following represents an element?

• H₂O

• HCl

• NaCl

• Au

• CaCO₃

The ________________ which are represented by a single uppercase letter, or represented by an uppercase letter followed by a lowercase letter. This tells you the types of elements in the compound.

• metals

• element symbols

• metalloids

• nonmetals

The smallest building block of all matter is the ________.

• molecule

• atom

• element

• compound

A(n) _______ is a pure substance made up of just one kind of atoms.

• compound

• element

• atom

• period

The _____________organizes all the elements and shows their symbols and atomic weights.

• Periodic Table of the Elements

• Elemental Table of the Periods

• Element Table of the Atoms

• Periodic Table of the Compounds

There are _______ elements on the current periodic table.

• 92

• 1,347,016

• 18

• 118

Carbon, oxygen, and hydrogen are all common _________.

• elements

• atoms

• compounds

• integers

Tags

NGSS.MS-PS1-1