Want to see correct answers?
Login or join for free!

Search Results for electrons - All Grades

1123 questions match "electrons". Refine Your Search

Select questions to add to a test using the checkbox above each question. Remember to click the add selected questions to a test button before moving to another page.

1 2 3 4 ... 57
Grade 10 Atomic Structure
Grade 10 Atomic Structure

This question is a part of a group with common instructions. View group »

Grade 10 Atomic Structure
Based on electron configurations, which of the following pairs of elements contains the same number of energy levels?
  1. sodium and beryllium
  2. magnesium and calcium
  3. lithium and neon
  4. strontium and radium
Grade 10 Atomic Structure
Grade 10 Atomic Structure
Which feature of the electron configuration determine the chemical properties of an element?
  1. Its total number of electrons
  2. The number of electrons in the first shell
  3. The number of valence electrons
  4. The number of electrons in the second shell
Grade 10 Atomic Structure
Which subatomic particles are located outside of the nucleus of an atom?
  1. Positively-charged protons.
  2. Negatively-charged positrons.
  3. Negatively-charged electrons.
  4. Neutrons.
Grade 8 Chemistry
The diagram below shows the electron-dot diagram of potassium. What does potassium do with electrons to become stable?
Electron-Dot Diagram - Potassium
  1. It gains 1 valence electron
  2. It gains 2 valence electrons
  3. It loses 1 valence electron
  4. It loses 2 valence electrons
Grade 11 Atomic Structure
To which group does the following element belong?
Electron-Dot Diagram - Chlorine
  1. Group 1
  2. Group 7
  3. Group 17
  4. Group 18
Grade 10 Periodic Table and Elements
Which family is the following element in?
Electron-Dot Diagram - Calcium
  1. Noble gases
  2. Alkaline earth metals
  3. Alkali metals
  4. Halogens
Grade 10 Atomic Structure
Which particles have a mass of 0 amu?
  1. Protons
  2. Neutrons
  3. Electrons
  4. Alpha Particles
Grade 10 Atomic Structure

This question is a part of a group with common instructions. View group »

Which statement correctly describes the relationship between the charge of a proton and the charge of an electron?
  1. Protons and electrons have the same charge.
  2. Protons have a lower charge than electrons do.
  3. Protons and electrons have opposite charges.
  4. Protons have a charge of 0, electrons have a charge of -1.
1 2 3 4 ... 57
You need to have at least 5 reputation to vote a question down. Learn How To Earn Badges.