Elements on the Periodic Table

Front

What is the ATOMIC NUMBER?

Back

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

Tags

NGSS.HS-PS1-8

Front

What is the ATOMIC WEIGHT?

Back

The atomic weight is the average mass of an element's atoms, measured in atomic mass units (amu).

Front

What is the SYMBOL for an element?

Back

The symbol is a one or two-letter abbreviation used to represent an element on the periodic table.

Front

What does the periodic table represent?

Back

The periodic table organizes all known elements based on their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the difference between atomic number and atomic weight?

Back

The atomic number is the number of protons, while the atomic weight is the average mass of an element's isotopes.

Front

What is a chemical symbol?

Back

A chemical symbol is a notation of one or two letters representing a chemical element.

Front

What is the significance of the atomic number in the periodic table?

Back

The atomic number determines the position of an element in the periodic table and its chemical properties.

Front

What is the name of the element with the symbol 'H'?

Back

The element with the symbol 'H' is Hydrogen.

Front

What is the name of the element with the atomic number 26?

Back

The element with atomic number 26 is Iron.