No student devices needed. Know more
15 questions
Are made from a combination of 2 or more elements in a constant ratio...
Atome
Mixture
Compounds
Elements
any characteristic of matter that you can observe without changing the identity of the substances that make it up
physical property
chemical property
periodic table
conglomerate
a characteristic of matter you observe as it reacts or changes into a different substance
physical property
chemical property
periodic table
conglomerate
A chemical change may involve
Evolution of gas
Change in temperature
Change in colour
All of the above
Explore all questions with a free account