Atomic number
The atomic number for aluminum is...
What is 13
The number of protons that are in argon...
What is 18
The period where you can find phosphorus...
What is the 3rd period
The six naturally occurring noble gases are...
What is helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and the radioactive radon (Rn)
True or False: Calcium is a metal.
What is true.
The atomic number for beryllium is...
What is 4
the number of protons that are in calcium is...
What is 20
The period where you can find helium...
What is the 1st period
Noble gas is...
What are gases make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
True or false: Silicon is a metal.
What is False. Its a metalloid
The number for mendelevium is...
What is 101
The number of protons that are in fluorine is...
What is 9
The period where you can find zinc...
What is the 4th period
The group where you can find noble gases is...
What is group 18
True or False: Carbon is a metalloid.
What is False. It is a non-metal.
The atomic number for manganese is...
What is 25
The number of protons that are in sodium...
What is 11
The period where you can find lithium...
What is the 2nd period
They are the most stable due to having the maximum number of valence electrons their outer shell can hold, which means...
What is They rarely react with other elements
True or False: Hydrogen is a non-metal.
What is True