Chemistry exam 1 Flashcards
What elements are in the first row of the periodic chart?
Hydrogen H, and Helium He
What elements are in the second row?
Lithium Li, Beryllium Be, Boron B, Carbon C, Nitrogen N, Oxygen O, Fluorine F, and Neon Ne
What the alkaline metals?
Lithium Li, Sodium Na, and Potassium K
The first column of the periodic chart excluding Hydrogen H
What are the alkaline- earth metals?
Beryllium Be, Magnesium Mg, and Calcium Ca
The second column of the periodic chart.
What are the halogens?
Fluorine F, Chloride Cl, Bromine Br, and Iodine
The seventh column of the periodic chart
What are the noble gases?
Helium He, and Neon Ne
The 8th column on the periodic table
What is the mass and charge of a proton?
Charge: +1.6 x 10^19 C
Mass: 1.67262 × 10^−27 kg
What is the mass and charge of a neutron?
Charge: 0 C
Mass: the same as a proton 1.67262 × 10^−27 kg
What is the mass and charge of an electron?
Charge: -1.6 x 10^19 C
Mass: 1,836 times smaller than a proton/ neutron it is to small to comprehend
What are all of the stable isotopes of Hydrogen H?
There are 2 types of hydrogen isotopes 2H and 3H. 2H has 2 nucleons (1p +1n= 2), it is also known as deuterium (D). 3H has 3 nucleons, (1p+ 2n= 3), it is also known as tritium (T).
What are all the stable isotopes of He?
There are 2 stable isotopes of He, they are 3He and 4He. 3He has 1 neutron and 2 protons. 4He has 2 neutrons and 2 protons.