Atomic Structure

What do you call the small particles that makes up matter?

• atoms

• molecules

• element

• protons

When a substance is composed of only one type of atom it is called an _______.

If M&M's were atoms, which sample is the element?

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Each element has been given a _________, usually derived from the first one or two letters of the element's name, for example, oxygen = O, hydrogen = H, and helium = He.

• element

• atoms

• symbol

• protons

What do you call the chart of the elements which is organized according to their properties?

• elements table

• periodic table

• properties table

• groups table

Elements having similar properties are positioned in vertical columns, called _______.

• groups

• periods

• symbols

Elements increase in order of atomic number and are found in rows are called _________.

• periods

• groups

• symbols

Which of the following can elements exist as?

• Solid

• Matter

• Gasses

• Liquid

Negatively charged particles are called _________.

• protons

• electrons

• neutrons

What do you call the positively charged particles? This also makes up the nucleus.

• protons

• electrons

• neutrons