Atomic Structure
What is the number that tells you how many protons an atom has?
What is the atomic number?
This family of elements is found in Group 18.
What are the noble gases?
In the Bohr model, electrons are found in these.
What are energy levels?
Atoms bond mainly for this reason.
What is to become more stable (achieve a full valence shell)?
Name the compound MgO.
What is magnesium oxide?
A neutral sodium atom has 11 protons. How many electrons does it have?
What is 11?
This group of elements has two valence electrons and is known as the alkaline earth metals.
What is Group 2?
An electron absorbs energy. What happens next?
What is it moves to a higher energy level?
What type of bond forms between a metal and a nonmetal
What is an ionic bond?
Write the formula for calcium chloride.
What is CaCl₂?
An atom has 8 protons and 8 neutrons. What is its mass number?
What is 16?
Two students measure the same object. One gets values that are all close together but not correct. This describes this type of measurement.
What is precision?
When electrons return to a lower energy level, they do this.
What is emit light?
In this type of bond, electrons are shared.
What is a covalent bond?
Name the compound CO.
What is carbon monoxide?
Which subatomic particle has no electrical charge?
What is a neutron?
Which laboratory tool gives the most precise volume measurement?
What is a graduated cylinder?
The modern model says electrons are most likely found in these regions.
What are orbitals?
An atom that gains electrons becomes this type of ion.
What is an anion?
Write the formula for dinitrogen tetroxide.
What is N₂O₄?
This negatively charged particle is found outside the nucleus.
What is an electron?
How many significant figures are in 0.04560?
What are 4 significant figures?
How many electrons can fit into a single orbital?
What is 2 electrons?
Electronegativity generally increases in this direction on the periodic table.
What is from left to right across a period?
Write the formula for aluminum oxide.
What is Al₂O₃?