Valence Electrons
What is the easiest way to find out the amount if valence electrons a chemical has?
Look at the group number.
Ca.
What is Calcium?
11 is the atomic number of this element
What is Na, Sodium
How many periods are there?
What is 7
How many valence electrons does carbon have?
What is 4.
Molybdenum.
What is Mo?
16 is the atomic number
What is Sulfur,S?
What are the letters in all the squares called?
The Chemical symbol.
The "staircase" separates what two element groups?
Metals and Non-Metals.
Name all the chemicals with 8 valence electrons.
What are Helium,Neon,Argon,Krypton,Xenon,Radon?
Au.
What is Gold?
55 is the atomic mass
What is Iron, Fe?
What is the atomic mass?
What is the sum of the protons and neutrons in the element's atoms.
This man founded the Periodic Table.
Who is Mendeleev?
What is a Valence Electron?
An electron in outer shell of an element/atom.
Mercury.
What is Hg?
This elements atomic number is 74.
What is W, Tungsten?
What is the largest category?
The Metals.
How many groups/families are there?
What is 8
how many valence electrons does Aluminum have?
What is 3.
Fr.
What is Francium?
This elements atomic mass is 35.
What is Cl, Chlorine?
How do you find out the amount of neutrons in a chemical?
Number of Neutrons = Atomic Mass - Atomic Number.
Name 3 of element groups.
What is transition metals, rare earths, alkali metals, alkaline earths, halogens, non-metals, and noble gases.