Elements
This element has the atomic number of 27
How many total electrons can fit in the first 3 rings?
What is 18 electrons?
What is the atomic number of Hydrogen?
What is 1?
What is an Ion?
Chopping wood is an example of what?
What is a physical change?
This element has a shiny yellow luster and is valued around $4500-$5000 USD per ounce.
What is gold?
How many electrons can fit in the 2nd ring?
What is 8?
How many electrons does Calcium have?
What happens to the outer electron ring when an Ion is formed?
What is, the outer ring becomes full by gaining or losing electrons.
Curdling of milk is an example of what?
What is a chemical change?
These elements are found in the very right row of the periodic table.
What are noble gases?
How many VALENCE electrons does Magnesium have?
What is 2 valence electrons?
How many neutrons does Nitrogen have?
What is 7 neutrons?
What ion does Oxygen form?
What is Oxygen -2 or O minus 2
Making Kool aid is an example of what type of mixture?
What is a homogenous mixture?
This element might be named after the birthplace of a certain "Super" hero.
What is Krypton?
What other information do you need to add to your Bohr diagram besides the electrons?
What are Protons and Neutrons?
What is 50 protons and 69 neutrons?
What is special about Carbon when talking about ions?
What is it can be either positive or negative, depending on who it reacts with.
What is a fail proof way to tell there was a chemical change?
What is when a new substance is formed?
This element is the rarest naturally occurring element in the world
What is Astatine? (atomic number 85) It is highly radioactive and volatile.
Why does Oxygen sometimes have a -2 charge?
What is because it gains 2 electrons in order to become stable.
How many protons, electrons, and neutrons are in Iron?
What is 26 protons, 26 electrons, and 30 neutrons?
How many different ions can Rhenium have? Atomic #75.
What is 6? +2, +3, +4, +5, +6, +7
Is the burning of a candle a chemical or physical change and why?
What is chemical change? Although the melting of the wax is a physical change, the wax vapor reacting with oxygen to produce water and carbon dioxide is a chemical change