All elements and compounds are ------------ substances. fill in the blanks pls ans
Answers
Solution:
Question: All elements and compounds are _______ substances!?
- All elements and compounds are pure substances.
Additional information:
About elements:
a. Elements cannot be broken down to simper form.
b. For example, oxygen, copper, mercury, hydrogen, mercury etc.
Elements can be divided into three components that are mentioned below:
- Metals.
- Non metals.
- Metalloids.
About the metals:
● Property of hardness.
● Lustrous i.e., shiny appearance.
● Sonorous property i.e., metals produce ringing sounds.
● Good conductors of heat and electricity.
● Malleable i.e., metals by which they can be beaten into thin sheets.
About the non-metals:
● Non-lustrous i.e., shiny appearance.
● Non-sonorous property i.e., metals produce ringing sounds.
● Not good conductors of heat and electricity.
● Non-malleable i.e., metals by which they can be beaten into thin sheets.
About metalloids:
● These shows the property of both the metals and non-metals.
About compounds:
a. Compound are fixed composition. They can be broken down into elements by chemical reactions.
b. For example, water, sugar etc.