Periodic Table of Elements

How are elements arranged in the Periodic Table?

• In order of increasing atomic mass.

• In order of increasing atomic number.

• In alphabetical order by element name.

• In order of decreasing reactivity.

What is the atomic mass of an element?

• The total number of protons in an atom.

• The average mass of an element's isotopes, measured in atomic mass units (amu).

• The mass of the most abundant isotope of the element.

• The mass of an atom measured in grams.

What is the atomic number of Carbon?

• 4

• 6

• 8

• 12

What is the significance of the element's position in the Periodic Table?

• It indicates the element's properties and its reactivity.

• It determines the element's atomic mass.

• It reveals the element's color and texture.

• It shows the element's historical discovery date.

What does the term 'group' refer to in the Periodic Table?

• A horizontal row of elements in the Periodic Table.

• A vertical column of elements in the Periodic Table.

• A collection of elements with similar atomic numbers.

• A set of elements that are chemically inert.

What does the term 'period' refer to in the Periodic Table?

• A vertical column of elements in the Periodic Table.

• A horizontal row of elements in the Periodic Table.

• A group of elements with similar properties.

• The total number of elements in the Periodic Table.

What is the chemical symbol for Lithium?

• Li

• L

• Lt

• LiO

What is a noble gas?

• A group of elements in Group 18 of the Periodic Table that are mostly unreactive due to having a full valence shell.

• A type of gas that is highly reactive and forms compounds easily.

• A gas that is found in the Earth's atmosphere in large quantities.

• A group of elements that are all metals and conduct electricity well.

What is the chemical symbol for Gold?

• Ag

• Au

• Pb

• Fe

What is the chemical symbol for Iron?

• Ir

• Fe

• In

• I