Periodic Table

Front

What did Mendeleev predict about elements?

Back

Mendeleev's genius was his ability to predict elements that were not discovered yet.

Tags

NGSS.HS-PS1-1

Front

What do all elements in the same row of the periodic table have in common?

Back

All elements in the same row have the same number of shells.

Front

What happens to the number of shells as you move down a group in the periodic table?

Back

The number of shells increases by 1.

Front

What are the rows on the periodic table called?

Back

Rows on the periodic table are called Periods.

Front

How many electrons can the first energy shell hold?

Back

The first energy shell can hold 2 electrons.

Front

What is the periodic table?

Back

The periodic table is a chart that organizes all known elements based on their properties.

Front

What are columns in the periodic table called?

Back

Columns in the periodic table are called Groups.

Front

What do elements in the same group have in common?

Back

Elements in the same group have similar chemical properties.

Front

What is an element?

Back

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

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.