Curriculum
Course: Science — First Preparatory
Login

Curriculum

Science — First Preparatory

Unit 1: Matter

0/8

Unit 2: Forces

0/6

Unit 3: Life

0/6

Unit 4: Earth and Space

0/4
Quiz

The Periodic Table — Lesson quiz

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 5
  • Passing grade: 60%
Start Quiz
1.
In which period and group is aluminium Al, whose electron arrangement is 2, 8, 3?
Period 2, group 13
Period 3, group 13
Period 3, group 3
Period 3, group 8
2.
An element has the arrangement 2, 8, 2. What are its period and group?
Period 2, group 8
Period 3, group 12
Period 3, group 2
Period 2, group 2
3.
On what basis are the elements arranged in the modern periodic table?
Mass number
Relative atomic mass
Number of neutrons
Atomic number
4.
Which group does oxygen O belong to (arrangement 2, 6), and how many electrons does it have in its outer level?
Group 16, with 6 outer electrons
Group 6, with 6 outer electrons
Group 16, with 2 outer electrons
Group 8, with 8 outer electrons
5.
Why are noble gases chemically unreactive?
Because their outer level is completely empty
Because their outer level is full of electrons
Because they lose electrons very easily
Because they have no electrons at all
  • 1
  • 2
  • 3
  • 4
  • 5