Atomic Structure
What charge does an electron have?
Negative
Electron Cloud
Valence electrons are located where?
In the outermost shell
Which group on the periodic table exist as colorless and odorless gases which full valence shells? (the name not the group number)
Noble Gases
Elements are composed of what?
Atoms
Which subatomic particles are located in the nucleus?
Protons and neutrons
What does a Bohr Model showcase?
The electrons in their different energy levels
There is a shortcut to figure out how many valence electrons an element has but it only works for which columns?
A columns
Which element in the Halogen group is the most reactive?
Fluorine
Which element in column 1A on the periodic table is not a part of the Akali group?
Hydrogen
The atomic number shows the number of what is a neutral atom?
protons and electrons
Draw the Bohr model for Carbon including the nucleus information (number of protons and neutrons)
6 protons, 6 neutrons, 6 electrons
How many valence electrons does Lead have?
4
Which element in the Alkali Group is the most reactive?
Cesium and Francium
Metaloids have the properties of what?
Metals and Nonmetals
If you subtract the number of protons from the atomic mass you would get the number of what?
Neutrons
How many electrons can the 1st, 2nd, 3rd, and 4th energy levels hold?
1st = 2
2nd = 8
3rd = 8
4th = 32
Draw the valence dot diagram for Boron
Symbol = B
Valence electrons = 3
Which element group is white, malleable, reactive, and conducts electricity (tell me the name not the column number)
Alkaline Metals
How many known elements are there? Both naturally occurring and man-made.
118
Isotopes have the same atomic number but different mass numbers. This is because they have different amounts of what?
Neutrons
Draw the Bohr Model for Chlorine (including the nucleus information)
17 protons, 17 electrons, and 18 neutrons
Draw the valence dot diagram for Argon
Symbol = Ar
Valence electrons = 8
Name the metalloids
Boron, silicon, germanium, arsenic, antimony and tellurium
Periodic Law is the periodic repetition of chemical and physical properties of the elements when arranged by increasing what?
Atomic Number