CBSE Class 7 Science The World of Metals and Non metals (Class 7 NCERT New) Quiz 8

1. Which is a property of a metal?

A It is brittle B It is a good Insulator C It has a dull appareance D It is malleable

2. What are two properties that make a metal a GOOD choice to use as a wire in electronics?

A Conductivity, malleability B Ductility, Conductivity C Luster, maleability D Malleability, high density

3. Which is NOT property of metals?

A brittleness B conductivity C ductility D luster

4. Protons are located in the nucleus of the atom. A proton has _______________.

A No charge B A negative charge C A positive and a negative charge D A positive charge

5. Neutrons are in the nucleus of the atom. A neutron has _____________.

A A positive charge B No charge C A negative charge D Twice as much positive charge as a proton

6. An electron is in a region outside the nucleus. An electron ____________.

A Is larger than a proton and has no charge B Has less mass than a proton and has a negative charge C Is smaller than a proton and has no charge D Has a positive charge

7. The atomic number of an atom is _____________________.

A The mass of the atom B The number of protons added to the number of neutrons C The number of protons D Negatively charged

8. Electrons are found in the nucleus of an atom.

A True B False

9. What determines the order of elements on today's periodic table?

A Increasing Atomic Mass B Decreasing atomic mass C Increasing atomic number D Decreasing atomic number

10. The ________________ increases by one for each element as you move left to right across a period.

A Atomic number B Atomic mass C # of Energy levels D # of neutrons