Chemistry Flashcard Review

Front

What indicates that a chemical reaction has taken place?

Back

Foamy bubbles indicate a chemical reaction is taking place.

Tags

NGSS.MS-PS1-2

Front

Which of the following is an element? Water, Air, Oxygen, Earth

Back

Oxygen is an element.

Front

How are compounds formed?

Back

Compounds are formed by chemical changes.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Front

What is the symbol for Germanium?

Back

The symbol for Germanium is Ge.

Front

REE's are a part of which series?

Back

REE's are a part of the Lanthanide series.

Front

What is a chemical reaction?

Back

A process where substances (reactants) transform into new substances (products) with different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What are the signs of a chemical change?

Back

Signs of a chemical change include color change, temperature change, gas production (bubbles), and formation of a precipitate.

Tags

NGSS.MS-PS1-2

Front

What is the periodic table?

Back

The periodic table is a chart that organizes all known elements by their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What are metals, nonmetals, and metalloids?

Back

Metals are good conductors of heat and electricity, nonmetals are poor conductors, and metalloids have properties of both.