The Periodic Table -2024

Front

What are the elements found along the 'staircase' called? They have properties of both metals and non-metals.

Back

Metalloids

Front

How many protons are in an atom of manganese?

Back

25

Front

Is Hydrogen considered a metal or a non-metal?

Back

Non-metal

Front

What is the mass of an atom, calculated by adding the number of protons and neutrons in the nucleus of the atom?

Back

Atomic mass

Front

How is the element in period 6 group 2 classified?

Back

Metal

Front

What is the term for the vertical columns in the periodic table?

Back

Groups

Front

What is the term for the horizontal rows in the periodic table?

Back

Periods

Front

What do we call the elements that are good conductors of heat and electricity?

Back

Metals

Front

What is the term for the elements that are poor conductors and are often gases or brittle solids?

Back

Non-metals

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.