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Matter
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片总数: 4 张•内容版本: v3•公开卡包•更新时间: 8/1/2026
卡片预览 (4 张)
#1
正面 (问题)
What is matter?
背面 (解答)
Matter is everything that has mass and can take up space
#2
正面 (问题)
What is an atom
背面 (解答)
The smallest particle of matter that can exist on its own
#3
正面 (问题)
What is a molecule
背面 (解答)
Two or more atoms that are chemically joined
#4
正面 (问题)
What is an element?
背面 (解答)
A substance that cannot be broken down into simpler substance ps and is made up of the same atoms