The Atom
What is the smallest part of an element that can still be identified as that specific element?
An Atom
What is the atomic number of Boron? What does this number tell you?
5 - How many protons and electrons are in an atom of Boron.
What is the atomic mass of Iridium?
192.217 AMUs
What atoms and how many of each are found in the chemical formula for laughing gas N2O?
2 Nitrogen Atoms and 1 Oxygen Atom
What was the name of the scientist who created the periodic table?
Dmitri Mendeleev
What particle found in the atom is Positively charged?
Protons
What is the Chemical Symbol for Tantalum? Please specify capitalization and lowercase.
Ta - T is capitalized and a in lowercase
How many neutrons are in Aluminum?
14 Neutrons (26.982 rounds to 27, 27-13 = 14)
What does a subscripts tell you in a chemical formula? What does a coefficient tell you in a chemical formula?
A subscript (counting) tells you how many atoms of an element you have and the coefficient tells you how many total molecules you have (multiplying).
Where are protons (+) and neutrons (o) found in the atom?
The Nucleus
What particles in the atom are negatively charged?
Electrons
What is the atomic number of Krypton? How many protons, electrons, and neutrons?
Atomic Number: 36
36 protons, 36 electrons, and 48 neutrons
What is the chemical symbol for Cesium? Please specify capitalization and lowercase.
Cs - C is uppercase and s is lowercase
What types of atoms and how many of each are found in the following chemical formula CH3COC2H5
4 Carbon, 8 Hydrogen, and 1 Oxygen
The vertical columns in the periodic table are known as ...
Groups
What particles are neutral or have no charge?
Neutrons
What is the atomic mass of Tin?
118.711 AMUs
What is the atomic mass of Beryllium? How many neutrons are in an atom of Beryllium?
9.012 AMUs and 5 neutrons
What elements and how many atoms of each does it have in the chemical formula (CH3)2CHOH?
3 Carbon
8 Hydrogen
1 Oxygen
The horizontal rows in the periodic table are known as...?
Periods
In what part of the atom are electrons found?
Electron Cloud or Orbitals
What is the atomic symbol for Tungsten?
W
True or False: Elements 104-118 can be found naturally in nature?
No, they are only created in very small amounts of atoms in a lab and are often highly radioactive.
What types of elements and how many atoms of each are found in this chemical formula CaSO4(2H2O)?
1 Calcium, 1 Sulfur, 6 Oxygen, 4 Hydrogen
What substance has the chemical formula C6H12O6?
Glucose - a Simple Sugar