Question

1. drag and drop the terms with the definitions.

anything that has mass and takes up space
the smallest unit of an element that maintains all of the chemical properties of that element
a form of matter with a uniform composition and specific properties
the smallest unit of matter that retains the physical and chemical properties of that substance
a pure substance made up of two or more different elements chemically combined in definite proportions
choices
atom
matter
element
compound
pure substance

Explanation:

• "anything that has mass and takes up space" is the definition of matter.
• "the smallest unit of an element that maintains all of the chemical properties of that element" is the definition of an atom.
• "a form of matter with a uniform composition and specific properties" is the definition of a pure substance.
• "the smallest unit of matter that retains the physical and chemical properties of that substance" is the definition of a molecule (but since it's not in the choices, and considering the context of basic chemistry terms, if we assume it's about elements - atom is for element's smallest unit, for pure substances in general - pure substance is the term here as per the given choices).
• "a pure substance made up of two or more different elements chemically combined in definite proportions" is the definition of a compound.

Answer:

• "anything that has mass and takes up space" → matter
• "the smallest unit of an element that maintains all of the chemical properties of that element" → atom
• "a form of matter with a uniform composition and specific properties" → pure substance
• "the smallest unit of matter that retains the physical and chemical properties of that substance" (if we consider the given choices and basic chemistry concepts for elements - atom, for pure substances - pure substance as per the given options)
• "a pure substance made up of two or more different elements chemically combined in definite proportions" → compound