Question

TEST YOURSELF
Answer the following questions in brief:
1.
A. OBJECTIVE QUESTIONS
1. What are symbols? What are the different ways of writing symbols for elements?
2. Write the symbols for these elements:
Silver, Sodium, Potassium, Helium, Argon, Chromium.
3. Define the following:
(a) Element
(b) Compound
(c) Mixture
4. What are isotopes?
5. What are radicals?
6. Select the pair of isotopes from among the following species:
12C, 160, 180, 19F.​

Answer 1

Answer:

you will find all the answer

Answer 2

Answer:

You should do the answers yourself