Periodic Table

Front

The identity of an element on the periodic table is determined by the number of _______.

Back

protons

Front

What subatomic particle is positive and found in the nucleus?

Back

proton

Front

What are the yellow 'stair-step' elements?

Back

metalloids

Front

The columns in the periodic table are called

Back

a group/family

Front

Hydrogen and Helium have similar physical and chemical properties. True or False?

Back

False

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What are the horizontal rows in the periodic table called?

Back

Periods

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the most abundant element in the universe?

Back

Hydrogen

Tags

NGSS.MS-PS1-1

Front

What is the significance of the periodic table's arrangement?

Back

Elements are arranged by increasing atomic number and similar properties.