Which of the following is a characteristic of durable scientific knowledge? (5 points) It remains unchanged over time.

It is rarely subjected to examination.

Several scientists' investigations support it.

Similar investigations yield dissimilar results.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).