Periodic Table
Name three elements in column 1A of the Periodic Table
What are... Hydrogen, Lithium, Sodium, Potassium, Rubidium, Cesium, Francium
The Mole is also called _____________ number.
Avogadro's number
When non-metals bond with non-metals, they form this kind of bond.
What is a Covalent Bond?
At the center of the atom, these particles are found.
What are protons and neutrons
A substance with a pH below 7.
What is an acid?
Two Halogens
What are ... Flourine, Chlorine, Bromine, Iodine,
The value of the mole is ______________
6.022 x 10^23
Elements that conduct hear and electricity use this kind of bonding.
This is the same as the atomic number.
What is the number of protons?
Another work for an alkaline substance.
What is a base?
The collective name for elements found in column 8A of the periodic table.
What are the Noble Gases
A mole of any gas at STP will be ______ L in volume.
22.4
Metals and non-metals bond in this way in which one or more electrons are completely transferred.
What is ionic bonding?
The name for atoms that have different numbers of neutrons but the same number of protons.
What are isotopes?
This can be used to measure the pH of a substance.
What is an indicator, such as the pigments in violet and red cabbage (anthocyanins) or pH tape?
The man who created the first periodic table.
Who is Dmitri Mendeleev?
The molar mass of gold is _____________.
197g/mol
When the electronegativity difference between atoms is 0.6 to 1.9, this is the type of bond formed.
What is a polar covalent bond?
The name for the model that places electrons in orbits around the nucleus.
What is the Solar System Model or Bohr Model?
The color violet tea turns when it comes into contact with a strong acid.
What is pink/red?
Elements in Columns one and two tend to form this kinds of ions.
What are cations with a +1 and +2 charge
There are ________ moles of water in 27 grams of water.
1.5
It's what VSEPR stands for.
Valence Shell Electron Pair Repulsion
This can happen when a neutron is fired at the nucleus of a large atom. It is an important source of electricity.
What is nuclear fission?
A substance with a high amount of Hydroxide ions (OH-).
What is a strong base?