Properties
This type of bond is when two atoms share their electrons equally.
What is a covalent bond?
What is the center of an atom called?
What is the nucleus?
This element has the symbol Au
What is gold?
In each _______________ (horizontal row), the atomic numbers increase from left to right.
What is a period?
If Na has an atomic mass of 23.0g/mol and
Cl has 35.5 g/mol what is the combined molecular mass of NaCl.
What is 58.5 g/mole
This type of bond is when a positively charged ion forms a bond with a negatively charged ions and one atom transfers electrons to another
What is an ionic bond?
A mole contains Avogadro's number of items. What is Avogadro's number?
6.023 X 1023
This element only wants one electron to pair with it's one and only electron. It is the most common element in the universe.
What is hydrogen?
Who is credited with the invention of the modern periodic table?
Who is Mendeleev?
If a liter had a 3M solution of NaCl, how many moles would a half a liter have?
What is 1.5 M
The most common states of matter are
(there are 3 of them)
Solid, liquid, and gas
Is this a balanced equation?
H2 + O2 ---> H2O
No
You can't live without iron. Where in the body is most of the iron located?
What is the blood?
Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas? Helium, Argon, Chlorine or Krypton?
What is Chlorine?
How many atoms are in this reactant?
2 H2 + O2
What is 6?
If an electron has more protons than electrons it has this type of charge. Ions with this charge are called a cation.
What is a positive charge?
Atoms of the same chemical element that have different atomic mass are known as?
What are istotopes?
This element is the third most abundant element and most abundant metal in the Earth's crust, it was considered a precious metal in the 19th century.
What is aluminum?
Which of these elements is a nonmetal?
Sulfur, Aluminum, Beryllium or Manganese?
If the Ocetet rule says that an atom wants to have 8 valence electrons to be complete, how many electrons does Sulfur (S) need to gain?
What is 2?
If an electron has 12 protons and gains 3 electrons what will it's charge be?
What is a charge of -3?
Is this equation balanced?
4H2 + 2O2 ---> 4H2O
What is yes?
This element is the most electronegative.
What is Fluorine
This group on the periodic table are five non-metallic elements found in group 17 of the periodic table.
How many electrons can the d orbitals hold, if they all are filled?