Elements and the Periodic Table

Front

Elements in a ..................have similar chemical properties.

Back

group

Front

Which of the following is the most reactive in water? (Lithium, Sodium, Potassium, Iron)

Back

Potassium

Front

Alkali metals are found in which group of the periodic table?

Back

Group 1

Front

This subatomic particle of an atom has a NEGATIVE charge.

Back

electron

Front

Identify the correct group of soft metals from the following: (Sodium, Aluminium and Copper, Sodium, Potassium and Lithium, Copper, Manganese and Magnesium, Zinc, Barium and Lithium)

Back

Sodium, Potassium and Lithium

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number and chemical properties.

Front

What are noble gases?

Back

Elements in Group 18 of the periodic table that are inert and do not readily react with other elements.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What are isotopes?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.