1st Semester Chemistry Test - 11th Grade

Atoms are made up of three particles known as subatomic particles.

Write the names of these subatomic particles.

Fill in the blank to complete the sentence.

In the _____________________ of an atom, we find the Protons and Neutrons.

Fill in the blank to complete the sentence.

Electrons are found on the outer ____________________________________.

Fill in the blank to complete the sentence.

All atoms have the same atomic _____________________.

Analyze the image and identify each element.

Analyze the images and identify each atomic theory.

Choose the correct concept or definition of the Atomic Number.

• It is the number of a chemical element in the periodic system

• It is the quantity of matter contained in an atom of an element.

• It represents a symbolic code to identify a specific element in the Periodic Table of Elements.

• It is all of the options shown.

Choose the correct concept or definition of the Atomic Mass (Weight).

• It is the number of a chemical element in the periodic system

• It is the quantity of matter contained in an atom of an element.

• It represents a symbolic code to identify a specific element in the Periodic Table of Elements.

• It is all of the options shown.

Choose the correct concept or definition of the Atomic Symbol.

• It is the number of a chemical element in the periodic system

• It is the quantity of matter contained in an atom of an element.

• It represents a symbolic code to identify a specific element in the Periodic Table of Elements.

• It is all of the options shown.

Choose the correct concept or definition of an element.

• It is the amount of protons found inside a human body

• It is a mixture of substances.

• It is the chemical name of the Sun.

• It is a pure substance.