Elements & Symbols
Which element stands for "N"?
Nitrogen
Is AL (aluminum) a metal or not?
Yes
What does the big letters stand for? They are usually 1 or 2 letters.
They are acronyms for the element's name.
How do you know if an element is a lanthanide?
They have three electrons in the last layer.
How many families are in the periodic table?
True or false He stands for Hydrogen?
False, it stands for helium.
How many electrons does the noble gases have in the last layer?
8
What is the atomic mass?
It is the mass that the atom has.
How many noble gases are there?
There are 6 noble gases.
How many no metals are there?
2
What is the symbol for gold?
Au
It is true or false that Li (lithium) is a noble gas and why?
Is false because Li (lithium) is not a noble gas it is an alkaline.
What is the atomic number?
It is the number of protons in the nucleus of an atom.
What is valence?
It is the number of electrons that an atom has in its last layer
The Alkaline is part of what family?
Metals
What is the symbol of the “Titanium”?
Ti
It is true or false that C (carbon) is not a metal.
True
How do we know which is the element valence?
The element valence can be determined by the group of the periodic table, (by the vertical line where the element is) The number if said line.
How do you know the number of protons in an element?
It's the same as the atomic mass
How do you know how many layers an element has?
By the horizontal row.
What is the symbol of Mercury?
The symbol of mercury is Hg
What is a metalloid?
Chemical element that exhibits some properties of metals and some of nonmetals
When did Profe Piero became our Profesor?
In 2017, when most of us were in 6th grade
Name 2 noble gases
Posible answers:
Argon Krypton
Xenon Radon
Helium Neon
Which are the charges of the following: Neutron, Proton, and Electron?
Neutron: Neutral charge, Electron: Negative charge and Proton: Positive charge.