Matter - Anything with mass and takes up space, Non-matter - examples are love, thoughts, gravity, Pure substances - matter with only 1 type of particle, Mixtures - 2 or more types of matter, Elements - Simplest matter, on periodic table, Compounds - Pure substance made of 2 or more elements,

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?