Periodic Table
What is the name of group 1 on the periodic table?
Alkaline Metals
What is the formula of the water molecule?
H₂O
The mole formula is called..........
Avogadro's Number
What are the three particles that make up an atom?
Protons, Neutrons, and Electrons
What number does Nickel and Neon make when they’re combined?
NiNe
The elements are grouped by their..........
Number of valence electrons
What is the shape of the water molecule?
V-shape
Define Mole
It is a unit of measurement used for measuring the amount of atoms or molecules.
Where is each particle of the atom located?
The protons and neutrons are located in the center (nucleus) of an atom. The electrons orbit on the outside of an atom.
Gold is the best element because it's..........
AU-some
(AU is the symbol of gold on periodic table)
What element on the periodic table has the atomic number of 1?
Hydrogen
How many and what type of atoms are in a water molecule?
Two hydrogen atoms and one oxygen atom
Define Molar Mass
Molar mass is the mass in grams calculated by adding all the atomic masses for each elements in a compound.
What is the name of the model used to represent the atomic structure that shows the energy levels, dots for electrons, and the nucleus of the atom?
Bohr Model
Why can you never trust an atom?
They make up literally everything.
In which two ways does the atomic radius increase?
The atomic radius increases from right to left and top to bottom.
What is the chemical bond of the water molecule?
Polar Covalent Bond
Find the molar mass of NaCl.
Na: 23.0g
Cl: 35.5g
23.0 + 35.5 = 58.5g/mol
What type of microscope can be used to see atoms?
An Electron Microscope
What chemical element doesn’t like to follow others?
Lead
As of today how many elements are there?
118 elements
What charge does an oxygen atom have and what charge does an hydrogen atom have, positive or negative?
Oxygen has a negative charge while the hydrogen has a positive charge.
What is the formula for 1 mole?
1 mole = 6.02 × 1023
How does the special microscope used to see atoms magnifies its image?
It uses a beam of electrons and wave-like characteristics.
What do you do to not lose an electron?
Gotta keep an ion it.