Periodic Table And Atomic Structure Multiple Choice Questions and Answers

11. Elements on the periodic table are arranged in order of

1. increasing density.
2. decreasing density.
3. increasing atomic number.
4. decreasing atomic number.

12. The elements to the right of the zigzag line on the periodic table are called

1. metalloids.
2. conductors.
3. metals.
4. nonmetals.

13. Elements lying along the zigzag line on a periodic table are

1. metals
2. nonmetals
3. metalloids
4. noble gases

14. Most of the elements in the periodic table are

1. metals.
2. metalloids.
3. gases.
4. nonmetals.

15. Which of the following has the least mass in an atom?

1. nucleus
2. proton
3. neutron
4. electron

16. The smallest particle into which an element can be divided and still have the properties of that element is called a(n)

1. nucleus.
2. electron.
3. atom.
4. neutron.

17. The elements in each vertical column on the periodic table usually have similar properties and are called a(n)

1. period.
2. group.
3. element.
4. property.

18. How do the physical and chemical properties of the elements change?

1. periodically within a group
2. periodically across each period
3. periodically within a family
4. periodically across each group

19. Every atom of a given element has the same number of

1. protons.
2. neutrons.
3. electrons.
4. isotopes.

20. Most metals are

1. solid at room temperature.
2. bad conductors of electric current.
3. dull.
4. not malleable.