Question

1. choose all that apply. which five postulates were proposed by dalton? atoms of one element can combine in whole - number ratios with atoms of other elements to form compounds (law of multiple proportions). all atoms of all elements are identical. atoms do not differ from other atoms of different elements. all matter is composed of extremely tiny particles called atoms. atoms cannot be combined, separated, or rearranged in chemical reactions. all atoms of a given element are identical. they have the same mass. however, atoms differ from other atoms in different elements by size, mass, and chemical properties. atoms cannot be created or destroyed (law of conservation of mass) nor can they be divided into smaller particles. atoms can be combined, separated, or rearranged in chemical reactions. these reactions cause one or more substances to be converted into different forms. all matter can be divided infinitely and still be that matter.

Explanation:

• Atoms of one element can combine in whole - number ratios with atoms of other elements to form compounds (law of multiple proportions): This is in line with Dalton's atomic theory.
• All matter is composed of extremely tiny particles called atoms: A fundamental postulate of Dalton's theory.
• All atoms of a given element are identical. They have the same mass. However, atoms differ from other atoms in different elements by size, mass, and chemical properties: Correct as per Dalton's theory (though we now know about isotopes, but Dalton's original postulate).
• Atoms cannot be created or destroyed (law of conservation of mass) nor can they be divided into smaller particles: Part of Dalton's atomic theory.
• Atoms can be combined, separated, or rearranged in chemical reactions. These reactions cause one or more substances to be converted into different forms: Dalton's view on chemical reactions.

Answer:

• Atoms of one element can combine in whole - number ratios with atoms of other elements to form compounds (law of multiple proportions).
• All matter is composed of extremely tiny particles called atoms.
• All atoms of a given element are identical. They have the same mass. However, atoms differ from other atoms in different elements by size, mass, and chemical properties.
• Atoms cannot be created or destroyed (law of conservation of mass) nor can they be divided into smaller particles.
• Atoms can be combined, separated, or rearranged in chemical reactions. These reactions cause one or more substances to be converted into different forms.