Answer:
There will be 16 electrons in O2-
The correct answer is letter A: <span>Unlike junction diodes, point-contact diodes are enclosed in a suitable casing and have terminals for connecting them to a circuit.</span>
A substance that donates electrons to form a covalent bond. So the answer is B
Answer: centrifugation, boiling/heating
, and long standing
Explanation:
Answer:
D) burning a candle
Explanation
When burning a candle no new substance is form.
We have both physical and chemical change occuring.
Physical part: Melting of the solid wax and evaporation of the liquid forms the physical change.
Chemical part: burning of the wax vapour forms the chemical change.
Explanation:
