Solid iron metal, aqueous zinc sulfate, solid graphite and molten magnesium oxide will all conduct electricity.Which pair will conduct electricity because they contain mobile ions?

aqueous zinc sulfate and molten magnesium oxide

solid iron metal and aqueous zinc suflate

solid iron metal and aqueous zinc sulfate

solid graphite and molten magnesium oxide

If I was trying to determine if two atoms will bond, what would be helpful to know:

All of the above, all of which can be found on the Periodic Table

Valence electrons, found by group number

Whether the elements are metals or nonmetals

The electronegativity of the atoms

All of the above, all of which can be found on the Periodic Table

What is a valence electron?

an electron that is found in the outermost shell of an atom.

an electron found in the innermost shell of an atom.

an electron found in the middle shell.

A solid substance is an excellent conductor of electricity. The chemical bonds in this substance are most likely?

metallic, because the valence electrons are mobile

ionic, because the valence electrons are shared between atoms

covalent, because the valence electrons are mobile

metallic, because the valence electrons are stationary

metallic, because the valence electrons are mobile

Chemical Bonding Molecular Structure Class 10 MCQ Questions With... Quiz

3.

Two elements X and Y, have electronic configurations 1s22s22p63s2 and 1s22s22p63s23p5 respectively.Which statements describe the compound formed by X and Y?I : It is soluble in waterII : It has high melting and boiling pointsIII : It has a crystal lattice structure.IV : The elements can be recovered by using electricity.

I and II only

I, II and III only

II, III and IV only

I, II, III and IV

1.

Three elements, X, Y and Z have consecutive increasing proton numbers. If element Y is a noble gas, what will be the formula of the compound formed by X and Z?

2.

The diagram below shows the arrangement of ions in a compound. Which is the simplest formula of this compound?

4.

Which is a compound that has giant molecular structure?

5.

Both calcium chloride and potassium chloride are ionic compounds.Which statements about these compounds are correct?

6.

Solid iron metal, aqueous zinc sulfate, solid graphite and molten magnesium oxide will all conduct electricity.Which pair will conduct electricity because they contain mobile ions?

7.

An ionic bond forms when atoms ___________ electrons.

8.

Which category of elements usually form negative ions?

9.

If I was trying to determine if two atoms will bond, what would be helpful to know:

10.

What usually forms the positive ion?

11.

What is the number of valence electrons for Neon and other Noble Gases besides Hydrogen?

12.

The name of Cu₃N₂ is

13.

An element X reacts with chlorine to form a solid of formula XCl. What could be the electronic structure of X?

14.

What is the number of valence electrons for Oxygen?

15.

Which compound would have a very low melting point?

16.

13. What elements generally make a covalent bond?

17.

Which of the following has a full valence shell?

18.

What is the molecular shape of the following?

19.

What type of bond is this? Lithium with Fluorine?

20.

What molecule could this be?

21.

Is this molecule polar or nonpolar?

22.

Which of the following is the correct Lewis structure for the compound PBr3?

23.

What is a valence electron?

24.

Using electronegativities, what type of bond is formed by S and Br.

25.

Carbonate (CO32-) has how many double bonds?

26.

A solid substance is an excellent conductor of electricity. The chemical bonds in this substance are most likely?

27.

When you have H-Cl atoms, what is the polarity?

28.

What is the shape of this molecule?

29.

What charge would a potassium (K) ion have?

30.

What is the electron configuration of beryllium?

Time

1. Three elements, X, Y and Z have consecutive increasing proton numbers. If element Y is a noble gas, what will be the formula of the compound formed by X and Z?

2. The diagram below shows the arrangement of ions in a compound. Which is the simplest formula of this compound?

4. Which is a compound that has giant molecular structure?

5. Both calcium chloride and potassium chloride are ionic compounds.Which statements about these compounds are correct?

6. Solid iron metal, aqueous zinc sulfate, solid graphite and molten magnesium oxide will all conduct electricity.Which pair will conduct electricity because they contain mobile ions?

7. An ionic bond forms when atoms ___________ electrons.

8. Which category of elements usually form negative ions?

9. If I was trying to determine if two atoms will bond, what would be helpful to know:

10. What usually forms the positive ion?

11. What is the number of valence electrons for Neon and other Noble Gases besides Hydrogen?

12. The name of Cu₃N₂ is

13. An element X reacts with chlorine to form a solid of formula XCl. What could be the electronic structure of X?

14. What is the number of valence electrons for Oxygen?

15. Which compound would have a very low melting point?

16. 13. What elements generally make a covalent bond?

17. Which of the following has a full valence shell?

18. What is the molecular shape of the following?

19. What type of bond is this? Lithium with Fluorine?

20. What molecule could this be?

21. Is this molecule polar or nonpolar?

22. Which of the following is the correct Lewis structure for the compound PBr3?

23. What is a valence electron?

24. Using electronegativities, what type of bond is formed by S and Br.

25. Carbonate (CO32-) has how many double bonds?

26. A solid substance is an excellent conductor of electricity. The chemical bonds in this substance are most likely?

27. When you have H-Cl atoms, what is the polarity?

28. What is the shape of this molecule?

29. What charge would a potassium (K) ion have?

30. What is the electron configuration of beryllium?