TEKS 7.6 Elements, Compounds, Periodic Table

Front

What is the smallest part of an element that retains the properties of the element?

Back

Atom

Front

Which element has the chemical symbol 'O'?

Back

Oxygen

Front

How many valence electrons does an element in Group 2 and Period 3 of the periodic table have?

Back

2

Front

Back

Carbon dioxide

Tags

NGSS.MS-PS1-1

Front

What is the process called when two or more atoms combine to form a molecule?

Back

Chemical bonding

Tags

NGSS.MS-PS1-1

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Tags

NGSS.MS-PS1-1

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.