Question

B. WRITE TRUE OF FALSE FOR EACH STATEMENT. REWRITE THE FALSE STATEMENTS
CORRECTLY :
1. Atoms of the different elements differ from each other.
2. The molecular weight of a compound is just the weight of a molecule.
3. A balanced chemical equation is an agreement with law of conservation of mass,
4. The substances formed during a chemical reaction are called products.
5. The molecular formula of bromine is Brz.
6. Bromine is the only liquid non-metal.
7. Neutron is a neutral particle.
8. The number of atoms in a single molecule of an element is known as atomicity.
9. A molecule of an element consists of atoms of same kind.
0. There are 80 non-metals discovered so far.
​

Answer 1

Answer:

1. true

2. false

3. true

4. true

5. false

6. false

7. true

8. true

9. true

10. false

Answer 2

Answer:

1. True
2. True
3. False-A balanced chemical equation is an agreement with the law of conservation of matter.
4. True
5. False-The molecular formula of Bromine is Br.
6. True
7. True
8. False-the number of atoms in the molecules of an element is called atomicity.
9. True

False-In the modern periodic table there exist a total of 22 non metals.

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