Atoms
Valence Electrons
Covalent Bonds
Ionic Bonds
Bonding Potpourri
100
This is the center of an atom:
nucleus
100
How many valence electrons does Hydrogen have?
1
100
Correctly draw a Lewis Dot Structure for a molecule of H2O:
100
What types of elements form ionic bonds?
Metals and nonmetals.
100
What do you call a force that holds atoms together in a compound?
A chemical bond
200
These two particles make up the center of an atom:
protons & neutrons
200
How many valence electrons does Lithium have?
1
200
In a covalent bond, how are electrons involved?
They are shared between two atoms.
200
In an ionic bond, what happens to the electrons?
Electrons are transferred from one atom to another.
200
What does the suffix, "-ide" mean?
indicates a negative ion or anion, specifically one that is composed of a single atom
300
This lightweight particle moves around the center of an atom:
electron
300
How many valence electrons does Calcium have?
2
300
True or False: Water is made with covalent bonds.
True
300
What type of charge does an atom have after losing an electron and what is the name of the ion?
positive; cation
300
Which bond type forms gases or liquids like carbon dioxide and water?
covalent bonds
400
This philosopher is credited with coining the term "atomos":
Democritus
400
How many valence electrons does Oxygen have?
6
400
Draw a Lewis Dot Structure for a molecule of carbon dioxide:
400
Write down the ions for MgO:
[M+2] [O]-2
400
What does an atom want when it forms a bond?
It wants a full valence shell (8 valence electrons)
500
In a neutral atom with an atomic number of 54, what would be its number of protons and electrons?
54 protons; 54 electrons
500
How many more valence electrons does Xenon need in order to become stable?
0; it already has a full valence shell.
500
Draw the Lewis Dot structure for a Nitrogen compound
500
Write down the product (with the charges and amounts for each atom) for the following reactant: Ca +Cl. Then, write down the name of the compound.
CaCl₂; calcium chloride
500
True or False: All atoms want 8 electrons in their outer shell.
False; except for Hydrogen and Helium