Elements and Compounds

Front

The smallest building block of all matter is the ________.

Back

atom

Tags

NGSS.MS-PS1-1

Front

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

Back

element

Front

A ___________ is a mixture of two or more elements.

Back

compound

Front

The _____________ organizes all the elements and shows their symbols and atomic weights.

Back

Periodic Table of the Elements

Front

There are _______ elements on the current periodic table.

Back

118

Front

Water, salt, sugar, and other common items are __________. Options: elements, compounds, energy, tables

Back

compounds

Tags

NGSS.MS-PS1-1

Front

Carbon, oxygen, and hydrogen are all common _________.

Back

elements

Front

The biosphere means ___________.

Back

all living things on Earth

Tags

NGSS.MS-LS2-3

Front

The hydrosphere is _____________.

Back

all of the water on Earth

Tags

NGSS.MS-ESS2-4

Front

Everything we know of in the universe is made up of combinations of the 118 known elements. True or False?

Back

True