Answer:
Mass is the amount of matter in an object.
Weight is how much an object weighs.
Hope this helps!
The correct answer is Cl, Br, and F. They are all in the halogens group.
Answer:
Group 7 or the Halogens
Explanation:
The halogens occupies the 7th group on the periodic table. The group is made of F, Cl , Br, I and At.
The elements in this group are the most reactive of all elements. They are very reactive because they have just 7 electrons in their outermost shell and they only require an electron to complete their electronic configuration to produce an octet which typically mimics the stable group VIII elements.
This makes them very highly reactive.
Answer: The products usually weigh more than the reactants.
Explanation:
Answer:
The correct answer is letter A. Condensation nucleii
