Question

What is the difference between pentyne, hexyne and heptyne? *

a. The number of carbon atoms in the chain

b. The types of atoms used to make them

c. The types of bonds formed

d. The number of bonds formed

24. What is the name of the chemical formula C4H6? *


a. Butane

b. butene

c. Butyne

d. propyne

17. Graphite and diamond are natural formations of Carbon. What do you call the different physical forms an element can exist? *

a. Allotrope

b. isotope

c. electroscope

d. fullerene

7. Which bond is present if a compound evaporates easily and gives off smell? 

a. Ionic bond

b. covalent bond

c. metallic bond

d. weak bond

15. What is an ionization energy? *

a. The energy requires to add an electron to a specific form

b. How much energy it takes to remove an electron from an atom

c. The energy required to shield the outer electrons from the nucleus

d. A measure of the ability of an atom to attract electrons

4. Which type of bond is formed from the sharing of electrons?


a.Covalent bond

b.ionic bond

c.metallic bond

d.weak bond

​

Answer 1

Answer:

1(a)

2(c)

3(a)

4(b)

5(b)

6(a)