A force of attraction between oppositely charged ions.When atom loses or gains electron it becomes ion.
2 of 11
What is an isotope?
Atoms of same element with different mass number are isotopes.
3 of 11
Why is an atom neutral?
An atom is neutral because same number of electron and proton cancel each other.
4 of 11
What is a Covalent Bond?
When two or more atoms join by sharing electrons, its called covelant bonding.
5 of 11
What is the atomic number of an atom?
How many number of protons it has.
6 of 11
An element has the electronic structure 2,8,4. Which group is it in?
Group 4 because the last number in an electronic configuration is how many electros there are on the outer cell and that indicates what group the element is in.
7 of 11
What do the elements in a period have the same number of?
The elements in a period have the same number of occupied energy levels or shells.
8 of 11
Where do the electrons in a covalent bond come from?
The electrons in a covalent bond come from the highest occupied energy level.
9 of 11
When a substance with a simple molecular structure boils, which bonds are broken?
Substances with a simple molecular structure have low melting points and do not conduct electricity.
10 of 11
In what physical state or states do ionic substances conduct electricity?
Ionic substances conduct electricity when they are liquid or dissolved in water.
11 of 11
Other cards in this set
Card 2
Front
What is an ion?
Back
A force of attraction between oppositely charged ions.When atom loses or gains electron it becomes ion.
Comments
No comments have yet been made