Question

Compare and contrast elements and compounds (check all that are true): Group of answer choices Compounds are made of different types of atoms. Elements cannot be broken down by physical or chemical changes Compounds can be physically separated. Elements are made of only one type of atom. Compounds can be chemically separated. Compounds are made of the same type of atom

Answer 1

compounds are made if different Types of atoms. elements are made of only one type of atoms. elements cannot be broken down by physical or chemical changes

Step-by-step explanation:

check all that are true and these are all true

Answer 2

Compounds are made of different types of atoms.

Elements cannot be broken down by physical or chemical changes

Elements are made of only one type of atom.

Step-by-step explanation:

An Element is any one of the simplest chemical substances that CANNOT be decomposed in a chemical reaction or by any chemical means and made up of atoms all having the same number of protons. Examples are Sodium (Na), Nitrogen (N2), Aluminium (Al)

Compound is a substance formed by chemical union of two or more ingredients in definite proportions by weight. examples are NaCl (Sodium Chloride), NH3 (Ammonia)