미해결 질문Modern atomic theory states that atoms are neutral. How is this neutrality achieved in atoms?979views
미해결 질문A(n) ________________________ is a substance that is made from atoms of different elements.899views
미해결 질문What is the smallest particle of an element that retains the properties of that element?1054views
미해결 질문What is the smallest unit of an element that still maintains the properties of that element?1001views