Vocabulary Words
What is the subatomic particle found in the nucleus that has a positive charge?
Protons
O2
Where are all of the elements in the universe organized?
The Periodic Table
How many subatomic particles does an atom have?
Three (Proton, neutron, and electron)
What two elements are liquid at room temperature?
Bromine and Mercury
What subatomic particle has a negative charge?
Electrons
How would you write a chemical formula for a molecule with 6 Carbon atoms, 2 Oxygen atoms, and 1 Calcium Atom?
How many periods are there on the periodic table?
There are 7 periods.
Where are the protons and neutrons located in an atom?
The nucleus of an atom.
How many protons, electrons, and neutrons does a Hydrogen atom have?
1 Proton, 1 Electrons, 0 Neutrons
What subatomic particle has no charge?
Neutron
What is the chemical formula for Carbon Dioxide?
CO2
How many groups are there on the periodic table?
There are 18 groups.
What do we call the place where the electrons are?
Energy levels or electron shell.
Name 5 Nobel Gasses
Helium, Neon, Argon, Krypton, Xenon, Radon, Oganesson.
What is an ion?
An ion is an atom that has a different number of electrons and protons.
What is the chemical formula for glucose?
C6H12O6
What is the number on every top left corner of elements on the periodic table called and what does it tell us?
This is called the atomic number and it tells us how many protons are in each element, which also tells us how many electrons are in each element.
What do we call an electron that is in the outer most electron shell of an atom?
A valance electron
What two elements are found in all organic compounds?
Hydrogen and Carbon
Covalent Bonding
What does the 2 represent in the chemical formula H2O?
The 2 represents that there are 2 Hydrogen atoms in the molecule, which is water.
What number group can you find the Nobel Gasses in?
Group 18
How many atoms are needed to make up a molecule?
At least 2 atoms.
What is all matter made up of?
All matter is made up of elements.