Vocabulary
What is an electron?
A subatomic particle that has a negative charge that is located in the orbital.
What element has 115 protons?
Moscovium
How reactive is Neon?
Not very reactive
How many valance electrons does Hydrogen have?
1
An element has 4 protons. How many valence electrons does it have?
Element: Beryllium
Valence Electrons: 2
What is a proton?
A subatomic particle that has a positive charge and is located in the nucleus.
What element has 20 protons?
Calcium
How reactive is Sodium?
It is very reactive.
How many valance electrons does Carbon have?
4
An element has 37 protons. How many valence electrons does it have?
Element: Rubidium
Valence Electrons: 1
What is a neutron?
A subatomic particle with a neutral charge and is located in the nucleus.
What element has 78 protons?
Platinum
How reactive is Chlorine?
It is very reactive.
How many valance electrons does Fluorine have?
7
An element has 6 protons. How many valence electrons does it have?
Element: Carbon
Valence Electrons: 4
What does reactivity mean in chemistry?
It is the tendency of a substance to undergo a chemical reaction.
What element has 103 protons?
Lawrencium
How reactive is Krypton?
It is not very reactive.
How many valance electrons does Boron have?
3
An element has 17 protons. How many valance electrons des it have?
Element: Chlorine
Valence Electrons: 7
What are Valance Electrons?
The electrons located on the outermost orbital.
What element has 26 protons?
Iron
How reactive is Nitrogen?
It is mildly reactive.
How many valance electrons does Cesium have?
1
Element:Oxygen
Valence Electrons: 6