Element number 1 on the periodic table is it a Solid, Liquid or Gas?
Gas
What element has 8 electrons on its outermost shell?
Boron, Magnesium, Neon, or Clorine
Neon
If an element mass is 39 and it has 19 electrons, how many neutrons does it has?
20
How many electrons fit in the second energy level?
8
What element has 12 neutrons?
Magnesium
How many electrons fit on the 4th energy level?
18
How do you find an element's atomic mass?
Add the number of neutrons and the number of protons together
Name the charges of the three particles?
Proton-Positive, Electron- Negative, Neutron-Neutral
What is the name of the element that has the gas that we breath?
Oxygen
What element's symbol is Ag?
Silver
Figure out the number of electrons on each energy level for NEON
2) 8)
How many Elements are there on the periodic table?
118
What elements are the most reactive?
Group 1- Alkali Metals
What is the name of the elements on the upper right corner of the periodic table?
Nonmetals
What element is a gas with 22 neutrons?
Argon
Figure out the number of electrons for each level for IRON
2) 8) 16)
What does the term 'valence electrons' mean? (2 things)
number of electrons on outermost shell, tells how reactive an element is
Metals are considered this if they can be made into sheets.
Malleable
What is the name given to this compound CO2
Carbon dioxide
How do we call the electrons in the outermost shell
Valence electrons